Respuesta :
Mexico's Institutional Revolutionary Part was in control since 1920 and Mexico has several small political parties
Mexico's main political party is the Institutional Reconstruction Party.
This party held uninterrupted power for 71 years,
Mexico actually has several small political parties
This can be easily checked since the list of political parties that already existed in Mexico has dozens of them. Right now, Mexico has 7 national parties and many others.