Lesson Procedures. Lesson Preparation Print packets for students including: background essay, document set, evidence organizer, assessment and rubric.

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1 Lesson Procedures Materials Included in this Lesson Background Essay Document Set Evidence Organizer Answering the Question assessment and rubric Access to the net for the video clip links in this lesson. Lesson Preparation Print packets for students including: background essay, document set, evidence organizer, assessment and rubric. Suggested Lesson Procedure Hook: Ask students to respond to the following prompt: What do you know and want to know about World War II? Introduce World War II by reading the background essay. Have students react to what they read and have a class discussion. Have them think about what they know and want to know and see if they can answer any questions they had. Have them write this down. Watch This is a clip showing the talks before Pearl Harbor with Japan as well as scenes from the invasion and Franklin Roosevelt addressing Congress. Read Document 1 from the book World War II Researching American History by Discovery Enterprises, Ltd. Additional discussion point: Why did the Japanese attack Pearl Harbor? What set off the events that led to the invasion? Preview Evidence Organizer/Evidence Log. Students will be looking at primary sources gathered from the Truman Presidential Library Archives in order to decide if it was a good decision to drop the atomic bomb on Japan or not based on the evidence provided from the Truman Library and other locations. In the evidence log, students will identify arguments that could be used from each source to decide if the dropping of the atomic bomb was necessary or not. Preview Answering the Question assignment. Students will write a letter from the president to Bess Truman stating why they as the president choose to drop the bomb or not. Students will use evidence in the sources and any additional information they find to make their argument. After the letters are written and turned in, the students will have a class debate on the decision. They can change sides as long as they have a reason from new evidence they hear or think of.

2 Before releasing the students to work, watch this clip so they get a better understanding of the bomb and the time of war. Begin investigating document set. Students may work individually or in pairs. Students should take the following steps with each source: After reading source, decide whether the evidence promotes the argument for the decision to drop the bomb or not.. Write in favor or against at the top of the source. Answer the historical thinking questions at the top of the source. Recommend that students may want to read the source a second or third time to help answer these prompts. Historical Tools Learning Goal: I can evaluate the significance of events and historical trends. Add source information to the Evidence Log. Students should place the source in the in favor column or the against column, name the document, and write in their own words why that document can be used as good evidence. Using Sources Learning Goal: I can compare the point of view/perspective of more than one source. Before beginning the letter to Bess Truman, students should brainstorm and discuss their perspectives on the situation. Remind them that there really isn t ever one correct answer on the question of dropping the bomb. Instead, they should pick whichever side they feel has stronger evidence. Teachers may want to select a few thinking prompts from the following website to help students differentiate their opinions from those outlined in the sources: After establishing which stance they will take, students may begin writing their letters to Bess Truman. See the rubric attached to the letter assignment for further information. Communicating Conclusions Learning Goal: I can create a claim or an accurate historical interpretation based on available evidence. After students have written their letters, show This video clip is of Mr. Truman explaining why he dropped the bomb. Additional Recommendation: At this point, you have the option to explore Japan and the effects of the bomb on the nation years later.

3 Answering the Question Because document-based activities begin with a question, the most natural way to assess students learning is to have them answer the question. Typically this involves structuring and organizing evidence in order to complete a formal essay writing. While the informational essay is certainly an important skill in a social studies classroom there are also many other valid ways to have students create well-reasoned explanations based on available evidence. Consider the following options for students to answer the guiding question. A. Allow students to use the RAFT format, guiding them to select some or all of the following variables for student writing: Role, Audience, Format, Topic. Example: It is late July You are at Potsdam and discussing issues with the Soviet Union and Italy and Britain. You receive word that the test bomb was a success. What do you do? Do you decide to drop the bomb or not? Use evidence from the sources and any information you choose to find. Write a letter to Bess explaining what you are going to do and why. Be prepared to defend your decision in a class debate. Role- President Truman Audience- Bess Truman Format- Choose a format relevant to your role (letter, memo) Task- Try to explain to Bess why you as the president decided to drop the bomb or not. B. Write a letter from Bess to President Truman offering him advice using evidence on the decision. C. Direct students to write an argumentative essay based on the guiding question. D. Ask students to evaluate the documents provided in the activity, ranking the usefulness of each in answering the guiding question.

4 0 1- Below Basic 2- Basic 3- Proficient 4- Advanced History Tools: Historical Thinking Questions Using Sources: Evidence Log Communicating Conclusions: Letter to Bess Truman I cannot demonstrate any part of this task. I cannot demonstrate any part of this task. I cannot demonstrate any part of this task. I need help to understand the historical significance of each document. I can complete my Evidence Log and write the arguments of the sources with help. Claim is not stated Lack of support for claim or irrelevant details Sourcebased evidence is not cited plagiarized no alternative claim or view acknowledged. I understand the historical significance of some of the documents, but I need help with the others. I can identify the argument within some of the sources on my own, but not the harder ones. Claim is weak or not maintained Limited support of claim using sources facts and details Source=based evidence is cited inaccurately or incompletely (plagiarism) Alternative or opposing claims inaccurate, irrelevant or weak. I can explain the historical significance of each source within historical context by thoroughly answering the Historical Thinking Questions with each source. I can compare the perspective a source by organizing the information into my Evidence Log and explaining the argument in my own words. Claim is clearly stated and maintained within the context convincing support of claim using sources, facts and details Source-based evidence is cited accurately to avoid plagiarism alternative or opposing claims are clearly addressed In addition to the requirements for a 3, I can also explain the arguments from both perspectives of the conflict. In addition to the requirements for a 3, I can examine outside sources and add them as additional evidence to my Evidence Log. The sources must be in addition to those provided by the teacher. Claim is powerful with strong support showing unique insight into the topic compelling support is credible relevant and accurate use of sources facts and details go beyond obvious source-based evidence is cited accurately to avoid plagiarism Alternative or opposing claims are fairly and objectively addressed.

5 Background Essay on Decision to drop the Atomic Bomb World War II was fought by millions of people in all corners of the world. There were battles and military posts in surprising places. The Caribbean and Central America, Greenland, Alaska, and the Aleutian Islands, Iraq, Syria, Burma, and the Arctic are a few of the little known places that were involved. Every major country of the time was involved in the war. Conflict in the Pacific began well before the official start of World War II. Seeking raw materials to fuel its growing industries, Japan invaded the Chinese province of Manchuria in By 1937 Japan controlled large sections of China and accusations of war crimes against the Chinese people became commonplace. At this time, several treaties were in place to limit the size of navies in the Pacific Ocean. In 1934, Japan ended its cooperation with other major powers in the Pacific by withdrawing from the Five Power Treaty. The United States, along with other countries, criticized Japanese aggression but shied away from any economic or military punishments. Relations between the United States and Japan worsened when Japanese forces took aim at Indochina with the goal of capturing oil rich areas of the East Indies. Responding to this threat, the United States placed an embargo on scrap metal, oil, and aviation fuel heading to Japan and froze Japanese assets in the United States. Furthermore, the United States demanded that the Japanese withdraw from conquered areas of China and Indochina. Japan, sensing conflict was inevitable, began planning for an attack on Pearl Harbor by April, The Japanese bombing of Pearl Harbor on December 7, 1941, brought the United States officially into World War II. In the surprise attack, Japan sunk several ships, destroyed hundreds of planes and ended thousands of lives. The Japanese goal was to cripple the U.S. Pacific fleet, and they nearly succeeded. President Franklin Roosevelt called the attack a day which will live in infamy, and the American people were shocked and angered. The ensuing war was costly. Years of fighting brought the US armed forces closer and closer to Japan as they hopped from one island to another. The Japanese were vicious fighters, however, and every victory cost more time, material, and, sadly, lives. The last major battle, the fight for Okinawa, lasted almost three months and took more than 100,000 Japanese and American lives. After President Roosevelt died on April 12 th, 1945, it became Harry Truman s job to decide how to end the war. The thought of invading Japan gave Truman and his advisors pause. The war had shown that the Japanese were fighting for the Emperor who convinced them that it was better to die than surrender. Women and children had been taught how to kill with basic weapons. Japanese kamikaze pilots could turn planes into guided missiles. The cost of invasion, they knew, would be high. Upon becoming president, Harry Truman learned of the Manhattan Project, a secret scientific effort to create an atomic bomb. After a successful test of the weapon, Truman issued the Potsdam Declaration demanding the unconditional surrender of the Japanese government, warning of prompt and utter destruction. Eleven days later, on August 6, 1945, having received no reply, an American bomber called the Enola Gay left the Tinian Island in route toward Japan. In the belly of the bomber was Little Boy, an atomic bomb. At 8:15 am Hiroshima time, Little Boy was dropped. The result was approximately 80,000 deaths in just the first few minutes. Thousands died later from radiation sickness. On August 9, 1945, another bomber was in route to Japan, only this time they were heading for Nagasaki with Fat Man, another atomic bomb. After the first minute of dropping Fat Man, 39,000 men, women and children were killed. 25,000 more were injured. Both cities were leveled from the bombs and this, in turn, forced Japan to surrender to the United States. The war was finally over. Today, historians continue to debate this decision. Was there another way to end the war? If you were President Truman in 1945, would you have dropped the bomb?

6 Source 1: Newspaper article, December 8, 1945, Chronicles of World War II

7 Using Source 1 Sourcing Questions Notice the date of publication of the newspaper. How might this detail be important to understanding the content of the account? Contextualization Questions What events led up to the attack on Pearl Harbor? What were American s views of WWII before this event? Corroboration Tasks Close Reading Questions Make connections between this newspaper account and FDR s speech in source #2. What information is not provided in the newspaper account? What words or phrases does this account use to describe the Pearl Harbor attack? How are these word choices significant?

8 Source 2: Excerpts from President Franklin Roosevelt s speech to Congress, December 8, 1941 Mr. Vice President, and Mr. Speaker, and Members of the Senate and House of Representatives: Yesterday, December 7, a date which will live in infamy -- the United States of America was suddenly and deliberately attacked by naval and air forces of the Empire of Japan It will be recorded that the distance of Hawaii from Japan makes it obvious that the attack was deliberately planned many days or even weeks ago. During the intervening time the Japanese Government has deliberately sought to deceive the United States by false statements and expressions of hope for continued peace. The attack yesterday on the Hawaiian Islands has caused severe damage to American naval and military forces. I regret to tell you that very many American lives have been lost. In addition American ships have been reported torpedoed on the high seas between San Francisco and Honolulu No matter how long it may take us to overcome this premeditated invasion, the American people in their righteous might will win through to absolute victory. I believe that I interpret the will of the Congress and of the people when I assert that we will not only defend ourselves to the uttermost but will make it very certain that this form of treachery shall never again endanger us. Hostilities exist. There is no blinking at the fact that our people, our territory, and our interests are in grave danger. With confidence in our armed forces- with the unbounding determination of our people- we will gain the inevitable triumph- so help us God. I ask that the Congress declare that since the unprovoked and dastardly attack by Japan on Sunday, December 7, 1941, a state of war has existed between the United States and the Japanese Empire...

9 Using Source 2 Sourcing Questions Who is the audience for FDR s speech? How might that affect the content of the information given? What might be the limitations of FDR giving this speech the day after the attack? Contextualization Questions Corroboration Tasks What events led up to the attack on Pearl Harbor? What were American s views of WWII before this event? What actually occurred on December 7th? Make connections between source #1 and this speech. Close Reading Questions What do you think President Roosevelt was trying to accomplish with this speech, aside from asking for a declaration of war by Congress? How do you know?

10 Source 3: Casualties from World War 2. Axis Military Allied Military Civilians Europe- North Africa Asia-Pacific TOTAL, in millions Soviet Union 8,668,000 16,900,000 8,660,000 8, m China 240,000 1,757,000 8,000,000 1,997, m Poland 123,000 6,028, , m Germany 3,500,000 1,600,000 3,500, m East Indies 4,000, m Japan 2,566, ,000 2,566, m India 49,000 3,000,000 42,000 7, m French Indochina 2,000, m Yugoslavia 305,000 1,200, , m Romania 350, , , , m France 3, , , , m Czechoslovakia 200,000 46, , , ,000 Great Britain 403,000 93, ,000 6, ,000 Italy 280,000 67,000 93, , ,000 Hungary 136, , , ,000 USA 405,000 9, ,000 96, ,000 Korea 400, ,000 Greece 17, ,000 17, ,000 Netherlands 8, ,000 8, ,000 Philippines 27, ,000 27, ,000 Belgium 9,000 76,000 9,000 85,000 Finland 80,000 3,000 80,000 83, m 12.3m 45.9m 14.9m 4.7m 65.6m

11 Using Source 3 Sourcing Questions Visit the website where this information was collected. Do you consider it to be a reliable source? Contextualization Questions What military tactics / weapons were used in World War II that were new or different from previous wars? In general, what accounts for the high number of civilian casualties during WWII? Corroboration Tasks Close Reading Questions What does the number of Casualties from each country tell you about the war? Compare Japan and the United States. Who lost more? Why are Japan s civilian casualties so high?

12 Source 4: Proclamation Defining Terms for Japanese Surrender (Excerpted) Issued, at Potsdam, July 26, We-the President of the United States, the President of the National Government of the Republic of China, and the Prime Minister of Great Britain, representing the hundreds of millions of our countrymen, have conferred and agree that Japan shall be given an opportunity to end this war. 2. The prodigious land, sea and air forces of the United States, the British Empire and of China, many times reinforced by their armies and air fleets from the west, are poised to strike the final blows upon Japan. This military power is sustained and inspired by the determination of all the Allied Nations to prosecute the war against Japan until she ceases to resist. 3. The time has come for Japan to decide whether she will continue to be controlled by those selfwilled militaristic advisers whose unintelligent calculations have brought the Empire of Japan to the threshold of annihilation, or whether she will follow the path of reason. 4. Following are our terms. We will not deviate from them. There are no alternatives. We shall brook no delay. 5. Until such a new order is established and until there is convincing proof that Japan's war-making power is destroyed, points in Japanese territory to be designated by the Allies shall be occupied to secure the achievement of the basic objectives we are here setting forth. 6. The Japanese military forces, after being completely disarmed, shall be permitted to return to their homes with the opportunity to lead peaceful and productive lives. 7. We do not intend that the Japanese shall be enslaved as a race or destroyed as a nation, but stern justice shall be meted out to all war criminals, including those who have visited cruelties upon our prisoners.... Freedom of speech, of religion, and of thought, as well as respect for the fundamental human rights shall be established. 8. Japan shall be permitted to maintain such industries as will sustain her economy and permit the exaction of just reparations in kind, but not those which would enable her to re-arm for war. 9. The occupying forces of the Allies shall be withdrawn from Japan as soon as these objectives have been accomplished and there has been established in accordance with the freely expressed will of the Japanese people a peacefully inclined and responsible government. 10. We call upon the government of Japan to proclaim now the unconditional surrender of all Japanese armed forces, and to provide proper and adequate assurances of their good faith in such action. The alternative for Japan is prompt and utter destruction.

13 Using Source 4 Sourcing Questions Who are the authors of this Declaration? What is their purpose in issuing it? What brought these individuals together? Contextualization Questions Corroboration Tasks What problems were addressed at the Potsdam Conference? How might the Potsdam Conference have been a challenge for Harry Truman? What developments/actions by the Manhattan Project are relevant to this source? Corroborate this declaration with Source #5. What does this source reveal about developments with the Atomic Bomb? Close Reading Questions What are the major demands being made upon Japan by the Potsdam Declaration? Are these demands reasonable? Why or why not?

14 Source 5: Henry Stimson to Harry S. Truman, April 24, Truman Papers, Confidential File. War Department

15 Using Source 5 Sourcing Questions Contextualization Questions What is significant about the date of this letter? Why might the Secretary of War need to speak to Truman at this time? What are the duties of the President in relation to the conduct of WWII? How and when did Harry Truman become president? How is the war going at the time of this letter s creation? Corroboration Tasks Close Reading Questions Harry Stimson is vague about the highly secret matter. What secret is he referring to? Why is it secret? How might this secret be important to US Foreign relations? Can you predict what problems or solutions might be impacted by this development?

16 Source 6: Letter from Harry S. Truman to Richard Russell, August 9, 1945

17 Using Source 6 Sourcing Questions Contextualization Questions We see that Truman received a telegram on August 7th. What was the Telegram likely about? Do some research on Richard B. Russell. Who is he? Why would he would he feel comfortable writing to Truman? Why would Truman write a personal letter back to Russell? What military actions had the US taken against Japan prior to August 6th? What happened on August 9th, the day Truman replied in this letter? Corroboration Tasks Close Reading Questions Does Truman s assessment of the Japanese nation match the rest of American? Research this topic. Make connections between this letter and the Potsdam Declaration. What are President Truman s main concerns as he works to end World War II? How do you know?

18 Source 7: Translation of leaflet dropped on the Japanese (AB-11), August 6, Miscellaneous Historical Documents Collection. 258

19 Using Source 7 Sourcing Questions This content was a leaflet, dropped on Japanese cities. What is the purpose of communicating this way? Why not some other way? Why was this memo produced in English? What do you think its purpose was in this format? Contextualization Questions This leaflet was dropped after the first atomic bomb was delivered. What happened when that bomb was dropped on Hiroshima? Corroboration Tasks The source refers to the thirteen consequences of honorable surrender. Which of the previous sources you have examined was the leaflet referring to? Why might the Japanese have had a hard time accepting those terms? Close Reading Questions What actions does this source suggest the Japanese people take? What reasons or rationale are given?

20 Source 8: Petition to the President of the United States, July 17, Miscellaneous Historical Documents Collection. 345.

21 Using Source 8 Sourcing Questions The source was co-signed by a group of people. Who are these individuals? Why is their opinion relevant to the topic of the atomic bomb? Consider the date of the letter? Why is that significant? Compare this date with source 4 and 5. Research any of the individuals who signed the letter. What is the role of these specific scientists? Contextualization Questions Research the Manhattan Project. How was it created? What is the state of the war in July 1945? Corroboration Tasks Compare this date with source 4 and 5. What options are shared regarding the terms of surrender of the Japanese? How do these compare with the Potsdam demands? Close Reading Questions Do the scientists agree with the use of the atomic bomb? If so, under what conditions?

22 Source 9: Minutes of Meeting held at the White House, June 18, Miscellaneous Historical Documents Collection. 736.

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24 Using Source 9 Sourcing Questions What is the setting of this source? Who can you tell was present? Who might you infer was present? How might this source have been created? Contextualization Questions The Okinawa campaign was wrapping up as these source was created. What happened during the two months of that campaign? Examine a map of the region. Why might there be a need to explore invasion options at this time? Corroboration Tasks Make a timeline of the sources for this lesson. How does this source fit with other pieces of information? Close Reading Questions Why is the table of casualties included in this report? What does this information mean? Detail the options of defeating Japan in this source, along with the assessments of military leaders provided. What pros and cons can you determine for each?

25 Evidence Log Key Question: Based on the documents, would you have dropped the atomic bomb on Japan? While you are reading the different sources, fill in the information on this page that will support either side. What s the main argument you can find from each of these sources? Source Description Evidence gathered about ending the war with Japan Supports using the bomb? Yes/ NO Because Yes/ NO Because Yes/ NO Because Yes/ NO Because Yes/ NO Because Yes/ NO Because Yes/ NO Because Yes/ NO Because