The document provides an overview of the Mexican Revolution from 1884 to 1920. It discusses the causes of the revolution including the dictatorship of Porfirio Diaz and inequality. Key figures that led the revolution are described, such as Francisco Madero, Pancho Villa, Emiliano Zapata, and Venustiano Carranza. The effects of the revolution included the overthrow of Diaz and new leadership, as well as Mexican immigration to the U.S.