Imperialism

Monroe Doctrine- a principle of US policy, originated by President James Monroe in 1823, that any intervention by external powers in the politics of the Americas is a potentially hostile act against the US.

Spanish American war-

The Spanish-American War (1898) 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.

Roosevelt Corollarly-The Roosevelt Corollary was an addition to the Monroe Doctrine articulated by President Theodore Roosevelt in his State of the Union address in 1904 after the Venezuela Crisis of 1902–03.

panama canal- The Panama Canal (Spanish: Canal de Panamá) is an artificial 48-mile (77 km) waterway in Panama that connects the Atlantic Ocean with the Pacific Ocean.

general santa anna & mexico-  Mexican general who tried to crush the Texas revolt and who lost battles to Winfield Scott and Zachary Taylor in the Mexican War (1795-1876) Synonyms: Antonio Lopez de Santa Ana, Santa Ana, Santa Anna Example of: full general, general. a general officer of the highest rank.

benito juarez- Benito Juárez, in full Benito Pablo Juárez García (born March 21, 1806, San Pablo Guelatao, Oaxaca, Mexico—died July 18, 1872, Mexico City) national hero and president of Mexico (1861–72), who for three years (1864–67) fought against foreign occupation under the emperor Maximilian and who sought constitutional reforms.

pancho villa & emillano zapata- Francisco "Pancho" Villa (born José Doroteo Arango Arámbula; 5 June 1878 – 20 July 1923) was a Mexican Revolutionary general and one of the most prominent figures of the Mexican Revolution. 

Emiliano Zapata Salazar (Spanish pronunciation: [emiˈljano saˈpata]; 8 August 1879 – 10 April 1919) was a leading figure in the Mexican Revolution, the main leader of the peasant revolution in the state of Morelos, and the inspiration of the agrarian movement called Zapatismo.