Hello!
Stephen A. Douglas was an American politician from Illinois, and the leader of the Democratic Party. He supported popular sovereignity, also called squatter sovereignity, which stated that each territory had the right to determine if they would accept slavery or not.
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Answer: Japan
Explanation: On December 7, 1941, Japan staged a surprise attack on Pearl Harbor, decimating the US Pacific Fleet. When Germany and Italy declared war on the United States days later, America found itself in a global war.
