The U.S. entry into World War II preceded other listed events like the Atlantic Conference and the Yalta Conference.
The U.S. entry into World War II happened first before the other events listed.
In December 1941, the Japanese attack on Pearl Harbor prompted the United States to enter World War II.
Following America's entry into the war, key conferences like the Atlantic Conference and the Yalta Conference occurred, leading to significant outcomes in the war.
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