The US entered in 1941, after the Pearl Harbor bombing. I'm guessing this is where you are from?
world 2 war
nerd
it was the holocoust. when everyone blamed the Jews for the black plague.
isolationism
The attack on Pearl Harbor.
pearl harbour
One reaon was Pearl Harbor.
The attack on Pearl Harbor
The Japanese sneak attack on Pearl Harbor propelled the US into the war.
world war 2
Slowpoke
The bombing of Pearl Harbor by the Japanese.