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The main event that triggered America's entry into World War II was the surprise attack on Pearl Harbor by the Japanese on December 7, 1941. This attack led to significant losses for the U.S. Pacific Fleet and galvanized public support for entering the war. The following day, December 8, 1941, President Franklin D. Roosevelt delivered his famous "Day of Infamy" speech, and Congress declared war on Japan, marking the official entry of the United States into the conflict.
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What event triggered the American entry into World War 1?
German submarine warfare
What event triggered anger and succession in the South during slavery?
Election of Lincoln
What event was responsible for the United States' entry into World War 2?
The Japanese attack on Pearl Harbour 7 December 1941.
What event triggered the war between the union and the confeferacy?
Confederates fired on Ft. Sumter.
What event did the most to bring enslaved Africans to the Americas?
Triangular trade
What event triggered the American entry into World War 1?
German submarine warfare
What event led americas entry into world war 2?
The bombing of Pearl Harbor by the Japanese.
What event triggered US entry into the World War 2?
The Japanese bombed the US naval base at Pearl Harbor, Hawaii on 07 Dec 1941
What event triggered the begging of World War 2?
Invasion of poland
What event triggered world war 2 to happen?
invasion of poland
What event triggered the World War 2?
Hitler's invasion of Poland in 1939.
What major event triggered World War 2 in Europe?
Germany's invasion of Poland.
What event official starts World War I?
The event that triggered World War 1 was the assassination of Archduke Franz Ferdinand of Austro-Hungary on June 18, 1914 in Sarajevo.
What event triggered the start of world war ii?
German invasion of Poland 01 Sept 1939
What event at the end of world war 2 demonstrated Americas strength?
the atomic bomb
What event led the US entry to world war 2?
pearl harbour
Why the event triggered the revolution?
You have not told us which event, or which revolution you are asking about.
