1. Mr. Deemer Modern US History

2. On April 12, 1945, President Franklin D. Roosevelt died from complications following a massive stroke

3. Vice President Harry Truman becomes President Unfortunately, for Truman he must soon make a very difficult decision

4. In December, 1941, after Pearl Harbor, President Roosevelt ordered the U.S. military to begin a secret project for the potential development of atomic weapons. This project, would be code named the Manhattan Project and would be eventually headed by physicist Robert Oppenheimer

5. In 1942, scientist achieved a chain of U-239 (form of Uranium). This led also to the development of bombs using plutonium. After much work, the project had produced 4 bombs One of the bombs, a uranium bomb, was code named “little boy” Little Boy

6. https://www.youtube.com/watch?v=Ru2PWmGIoB8

7. Heavy U.S. Casualties in Iwo Jima and Okinawa Soviets finally enter the war but raise new concerns Invasion plan of Japan: Operation Downfall Japan knew obvious plan and still had plenty of manpower to fight Estimated Allied (Mostly U.S.) casualties averaged about 1,000,000 All Japanese prepared to fight

8. Paul TibbetsThe Enola Gay

9. ttps://www.youtube.com/watch?v=t19kvUiHvAE

11. Hiroshima: Dropped by parachute and exploded 1900 feet above the ground 60,000-80,000 killed instantly Total due to radiation sickness, etc. (135,000) 6 square miles destroyed Nagasaki: Missed target by 1 mile 50,000 killed 1/3 of the city destoyed

13. The Soviet Union enters the war against Japan on August 8, 1945 The Japanese do the unthinkable and surrender upon Emperor Hiro Hito’s advice

15. President Harry TrumanAlbert Einstein