The document summarizes Mexico's history around the time of the Mexican Revolution in the early 20th century. It describes how a small minority controlled most wealth and power, leading to growing unrest under President Diaz. Francisco Madero led opposition and was elected president in 1910 after Diaz resigned, but faced challenges from rebels like Emiliano Zapata and Pancho Villa. The country broke into factions during a period of instability until Venustiano Carranza organized a new constitution in 1917 that established land reforms still in place today.