| Term | Definition |
| Isolationism | the policy o having little or nothing to do with the political affairs of other nations |
| imperialism | the policy of powerful countries seeking to control the economic and political affairs of weaker countries or regions |
| Washington's Farewell Address | "steer clear of permanent alliances" and have "as little political connection as possible" with foreign nations |
| the "White Man's Burden" | The belief theat it was the Europeans duty to spread their relifion and culture to people that were considered less civilized |
| Seward's Folly | The purchase of Alaska |
| Open Door Policy | the policy in which any nation could trade in the spheres of others |
| spheres of influence | areas usually around a seaport in which a nation had special trading privleges |
| Yellow Journalism | Sensational stories that were ofthen biased or untrue |
| Empantionism | the policy of extending a nation's boundries |
| Matthew Perry | American naval officer that opened Japan to trade |
| Alfred Thayer Mahan | United States naval officer and historian (1840-1914) |
| Queen Liliuokalani | the Hawaiian queen who was forced out of power by a revolution started by American business interests |
| Annexation of Hawaii | extended U.S. territory into the Pacific. Consequently, U.S. rose as a Pacific power |
| Purchase of Alaska | Alaska territory was given to by Russia to the U.S. |
| George Dewey | a United States naval officer remembered for his victory at Manila Bay in the Spanish-American War |
| The rough riders | a Volunteer Cavalry Regiment made up of a mixed group ranging from cowboys to college students |
| Theodore Roosevelt | Leader of Rough Riders, Vice President and very famous President |
| Emilio Aguinaldo | led the phillipines for independance |
| Roosevelt corollary | Roosevelt's 1904 extension of the Monroe Doctrine, stating that the United States has the right to protect its economic interests in South And Central America by using military force |
| Spanish American War | (1898) War in which Spain lost all its recognition but America became recognized as a superpower |
| Mexican American War | War between Mexicans and Americans over the annexation of Texas |
| Boxer Rebellion | Chinese rebellion against western influence, 1900 |
| Building of the Panama Canal | U.S. wanted a "short-cut" to dominate the seas. Encouraged Panama to rebel against Colombia. |
| Philippine Insurrection | before the Philippines was annexed by the U.S. there existed tension between U.S. troops and Filippinos. eventually we entered into a war with the Philippines. |