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The bombing of the US Naval base at Pearl Habour, Hawaii
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What nation caused the US to join World War 1?
Gremany
What nations actions caused the US to join world war 1?
The sinking of the LUSITANIA is what first caused the U.S. to join this disastrous of all wars, and
What three thing caused the US to join World War 1?
the sinking of the u.s ship the lusitania.
What caused Lithuania to join world war 1?
Lithuania was a part of the Russian Empire from 1795 to 1918.
What event finally caused the US to enter World War 2?
Japan bombing Pearl Harbor
Why did the US eventually join the allies in World War 1?
it finally realized what Germany was doing and the central powers were fighting for
What incident cause the US to finally join World War 2?
The bombing of the US Naval base at Pearl Habour, Hawaii
What caused the United States to join the Allies in fighting World War 1?
the Germans' use of unrestricted submarine warfare
What caused the world war to happen?
World War 1 was caused by two terrorists. World War 2 was caused by some Fanatics.
What German action finally caused Britain and France to begin World War II?
The invasion of Poland on the 1st September 1939
What event caused America to consider and research H-bombs?
The attack on Pearl Harbor caused America to join World War II which is when they began to research and develop the bomb.
What caused Italy to not join in World War 2 when Germany invaded Poland in 1939?
Despite the expectations of Hitler, Mussolini did not enter WW 2 when Hitler invaded Poland in 1939. His explanation to Hitler was that the Italian military was not prepared enough to enter the war at that time. After the French surrendered in 1940, Italy finally did enter the war.
