KEY TERMS Key Terms and People to Know for the Regents Exam
Manhattan Project
This was the code name of the secret project to develop the atomic bomb at bases and laboratories across the US. The first nuclear weapon was tested in New Mexico in July 1945.
Atomic Bomb
President Truman decided to drop atomic bombs on Hiroshima and Nagasaki in Japan to end WWII. Truman was worried that if the US had to invade Japan many Americans (and Japanese) would die, so he used the bombs to end the war quickly.