How did the pri gain and lose control of the mexican government

July 2, 2000. The PRI loses a presidential election for the first time, to Vicente Fox of the PAN. - 2005. A series of state election defeats leaves the PRI in control of only half of Mexico's 31 states.

The Institutional Revolutionary Party (Spanish: Partido Revolucionario Institucional, PRI) is a Mexican political party founded in 1929 that held power uninterrupted in the country for 71 years from 1929 to 2000, first as the National Revolutionary Party (Spanish: Partido Nacional Revolucionario, PNR), then as the Party of the Mexican Revolution (Spanish: Partido de la Revolución Mexicana, PRM), and finally renaming itself as the Institutional Revolutionary Party in 1946.

to keep us neatruel and not get involved in any wars

he assumed control of treaty negotiations with a hostile power