Question

What was the main reason the United States was involved in World War 2?

Answer 1

The world war 2 took place between 1939-1945. Countries like Germany, Japan, USA were involved in the war. This war also led to the great depression. A major fall in USA stock prices; people were unemployed and economy was at its lowest point ever.

The main cause/reason behind USA involvement in the World war 2 was:

1)the attack by the Japanese troops on the Pearl Harbour in US in 1941.

2)the Americans didn't even wanted to enter into the war as they were already under depression.

3) so, after the attack on the pearl Harbor, USA was outraged and the then president Franklin Roosevelt ordered military troops and declared a war against Japan, and led to the American involvement in world war 2.