Monroe doctrine: a U.S foreign policy focused on keeping European powers from controlling any Latin American nation

Spanish American War: was a conflict fought between Spain and the United States in 1898. 

Roosesevelt Corollary: was an addition to the Monroe Doctrine articulated by President Theodore Roosevelt

Panama Canal: is an artificial 48-mile waterway in Panama that connects the Atlantic Ocean with the Pacific Ocean.

Santa Anna &Mexico: was a Mexican politician and military leader who was President of Mexico eleven times from 1833 to 1855.

Benito Juárez: a Mexican lawyer and politician of Zapotec origin from Oaxaca who served as the president of Mexico for five terms

Pancho villa & Emiliano Zapata: leaders of the Mexican revolution