Why the US entered World War II
Lend -lease act 1941
allowing the president to send fire arms and other defense weapons to foreign nations
cash and carry policy
was requested by FDR , and was put into place that other countries good get the weapons from the united states if the took the risk in their own ship to get them and if they paid full in cash.
On December 7th the Japanese launched the attack on Pearl Harbor. Pearl Harbor was the last and final cause for the United States to inter the war. They destroyed 20 American ships and 300 airplanes 2,500 American men died in the attack of Pearl Harbor. President Roosevelt declared War on December 8th. Three days after Japan joined allies with Germany.