The Japanese attack on Pearl Harbour on December 7th 1941, would be the only motivation that the US would need during World War II.
After World War 2, the US had the strongest economy in the world.
US PresidentHarry Truman was US President at the end of World War 2.
405,400 US casualties are recorded for World War 2
The 8th of December 1941 was the date that the US joined world war 2
1,700 US Civilians were killed during World War 2.
World War 2
World War 1: The UK, and Japan. World War 2: The UK, and Russia.
No Germany declares war on US
Germany
japan
?? WW2 or World WAR 2 was a war.
405,400 is the number of US casualties in World War 2 that I have found most often.