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Purchase of Alaska for $7.2 million
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Treaty with Samoa marks beginning of U.S. expansion in pacific
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Mayan publishes The Influence of Sea Power upon History 1660-1783
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USS Maine explodes and sinks in Havana harbor
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Spain and the U.S. declare war on each other over Cuba
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Dewey occupies Manila
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Hawaii annexed to U.S.
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Treaty of Paris adds Puerto Rico, Guam, and Phillipines to U.S., and guarantees Cuban independence.
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Anti-Imperialism League founded
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U.S. declares Open Door Policy toward China
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Boxer rebellion suppressed in China
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Theodore Roosevelt becomes president
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Filipino military resistance to U.S. occupation ends
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With U.S. help, Panama declares independence from Columbia, U.S. purchases Canal zone
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Roosevelt mediates settlement to Russo-Japanese War
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"Gentleman's Agreement" between Japan and U.S.
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Wilson elected president
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U.S. troops in various Carribean countries
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Archduke Ferdinand assassination, WW1 erupts
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Panama Canal Opens