Why Was the Mexican Revolution Considered to Be the Most

Why was the Mexican Revolution considered to be the most successful turn-of-the-twentieth-century revolution?

A) It transformed the country and forced later politicians to respect peasants' rights and land reform.
B) The country finally threw off colonial control and joined the other independent nations in Latin America.
C) The economic strength of Mexican ranchers was left intact, while more political power was given to the middle classes.
D) Peasants gained complete control of the economy and political system after purging the rich land owners.