Why did the Japanese finally surrender on September 2, 1945?
A. American forces dropped an atomic bomb on the city of Nagasaki, immediately killing 22,000 Japanese people.
B. The United States threatened to drop an atomic bomb on the capital city of Tokyo.
C. American forces dropped an atomic bomb on the city of Hiroshima, killing almost 80,000 people immediately.
D. The Japanese realized that they had no chance of winning the war without support from Germany.