Final answer:
Japan attacked Pearl Harbor to expand its empire, prevent U.S. interference, and strategically weaken American naval power.
Explanation:
Reasons for Japan's Attack on Pearl Harbor:
- Expansion of Empire: Japan sought to expand its empire in Asia by seizing territories rich in resources.
- Prevent U.S. Interference: Japan believed crippling the U.S. Pacific Fleet would deter American intervention in their expansion.
- Strategic Military Move: By neutralizing the U.S. navy, Japan aimed to buy time to complete conquests and fortify positions.
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