The Mexican Revolution and the reforms that followed.

Mexican military officers standing around a table in a planning room, 1910-1915, loc.gov. This image shows Mexican soldiers standing in a planning room. This answers my research question because it shows that the Mexican revolutionary forces taught hard enough for their cause that the military had to step in and attempt to intervene.

Cannon made by rebels now in use near Juarez, 1910-1915, loc.gov

This image shows Mexican rebels using a cannon near Juarez and displays the weaponry used by the Mexican revolutionary army in order to remove Porfirio Díaz from power.