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Across 1. naval commander who opened Japan for U.S. trade 3. a revolt meant to expel foreigners from China 5. an American expert on tropical diseases who lead the effort to reduce malaria and yellow fever so that the Panama Canal could be built 10. an independent country whose policies are controlled by an outside power 11. areas where another nation has economic and political control 12. a policy based on the idea that economic ties were the best way to expand American influence 14. policy meant to guarantee the right of all nations to trade in China 17. rebel Mexican general who attacked parts of New Mexico and was pursued by American troops back into Mexico 18. building empires by imposing political and economic controls over peoples around the world 19. island territory that was annexed by the United States

Down 2. publisher of the New York Journal who used sensational stories and headlines to encourage Americans to go to war with Spain 4. territory that the U.S. purchased from Russia 6. the forced movement of large numbers of people into detention camps for military or political reasons 7. a logical extension of a doctrine or proposition 8. Cuban exile and poet who supported Cuban independence 9. another word for rebellion 13. avoiding involvement in other countries affairs 15. a narrow strip of land joining two larger areas of land 16. someone who makes judgments about objects or actions