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the US Black Ships opened japan to trade treaty
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japan was taken over by a fifteen year old empor who wanted a rich country and strong military. so he adopted western culture and technology so he they wouldnt become a european colony
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The US went into debt after the war, because the stock market crashed. Japan felt it hard because all of their resources came from the US.
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There was world wide anger against Japan because they massacred 300,000 Chinese.
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Agreement between Japan, Germany, and Italy that said they would support one another if any one of them was attacked by the US. So President Roosevelt seized Japanese money and property in the U.S. and placing an embargo on exports of oil, steel, and iron to Japan.
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Hawaii was bombed without warning. The signal made President Roosevelt know they would be bombed.
