Because of the Japanese attack on Pearl Harbour.
the US got bombed by Japan
Pearl Harbor is the name. It did not start world war 2, it caused the USA to enter into the war.
No
yes it was vital 4 the US 2 enter World War 2 because we needed their help 2 win the war. It turns out tht because of them we won the war.
At the start of the War they were always in
The reason the US entered war world 2 was that Japan had destroyed the USA's base at Pearl Harbor in Hawaii.
2011
1934
Yes
The U.S. came into WW 2 because the Japanease attacked pearl harbor on December 7, 1941
World War 2
Russia was part of the Soviet Union, they were Allies of France, England , Canada and the USA (the USA did not enter the war until 1941, 3 years after the war began)