annex
to officially incorporate, or take in as part of a whole
annexation
formal incorporation of land or territory into another nation or state
dollar diplomacy
foreign policy providing economic aid to areas around the world to encourage economic stability and safeguard American business interests
Great White Fleet
fleet of battleships that circumnavigated the globe in 1907 in a show of U.S. military might
Monroe Doctrine
foreign policy that prohibited European powers from interfering with former colonies in the Western Hemisphere
Open Door policy
international trade agreement between the United States and several foreign nations over trade with China
Panama Canal
40-mile-long system of locks and dams that allows ships to easily navigate between the Atlantic and Pacific Oceans
Philippine-American War
war waged by Filipino nationalists led by Emilio Aguinaldo against the United States from 1899 to 1902
Roosevelt Corollary
corollary to the Monroe Doctrine reserving the right of the United States to intervene in conflicts between Caribbean or Latin American countries and Europe
Spanish-American War
brief military conflict that began on April 25, 1898, with a declaration of war by the United States against Spain
spheres of influence
areas of political control by a foreign power
U.S.S. Maine
U.S. battleship sent by President McKinley to patrol the harbor of Havana, Cuba's main port
yellow press
newspapers that used sensationalism to attract readers