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Monroe Doctrine
This doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs -
Annexation of Hawaii
Spurred by the nationalism aroused by the Spanish-American War, the United States annexed Hawaii at the urging of President William McKinley. -
Sinking of Maine
The United States battleship Maine, riding quietly at anchor in Havana harbor, was suddenly blown up, apparently by a mine sinking the ship, killing 260 officers and men on board.This caused a brief war between Spain and America. -
Spanish American War
The Spanish-American War was a conflict between the United States and Spain that ended Spanish colonial rule in the Americas and resulted in U.S. acquisition of territories in the western Pacific and Latin America. This war was started due to the sinking of the Maine. -
Teller Amendment
An amendment to the U.S. declaration of war against Spain which proclaimed that the United States would not establish permanent control over Cuba. -
Annexation of Guam
Annexation of Philippines, Puerto Rico, and Guam. In the 1898 Treaty of Paris, which ended the Spanish-American War, Spain ceded the Philippines, Puerto Rico, and Guam to the United States -
Annexation of Samoa
The eastern island-group became a territory of the United States and was known as American Samoa. The western islands, by far the greater landmass, became German Samoa. -
Open Door Policy
The Open Door Policy is a term in foreign affairs initially used to refer to the United States policy that provides equal privileges among trading countries. -
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Boxer Rebellion
A violent anti-foreign and anti-Christian uprising that took place in China towards the end of the Qing dynasty. -
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Russo-Japanese War
he Boxer Rebellion, Boxer Uprising or Yihequan Movement was a violent anti-foreign and anti-Christian uprising that took place in China between -
Treaty of Portsmouth
This is a treaty signed by Teddy Roosevelt to end the Russo-Japanese war. -
Panama Canal
A water way was constructed by America to connect the Atlantic and Pacific ocean than ran through Isthmus. -
Annexation of Virgin Islands
The Virgin Islands were purchased for $25,000,000. This was not the first attempt by the US to purchase the islands. The United States' first secretary in London, Henry White attempted to purchase the islands from Denmark in 1899. -
Assassination of Pancho Villa
Francisco "Pancho" Villa was a Mexican Revolutionary general and one of the most prominent figures of the Mexican Revolution. His death brought about the end of the Mexican revolution.