Question

Why did Truman decide to use the atomic bomb to end the war?

to show the world a new superweapon

to test the effects of an atomic bomb on a city

to keep the Russians from entering the war

to quickly end the war without an invasion

Answer 1

The correct answer would be the last one, as the planned invasion of Japan would be extremely bloody and difficult, and Truman wanted to use the atomic bomb to try and get the Japanese to surrender instead of forcing them to surrender via invasion.