Answer:
It accommodated many groups in Mexican society, including business and military leaders, peasants, and while they were keeping real power in their own hands.
Explanation: The PRI was effective in implementing many economic and social reforms in Mexico, but not through liberal democracy. It redistributed land to peasants, supported labor unions, built an education system open to all Mexicans, and nationalized oil. On the other hand, it instituted essentially a single-party system and cracked down on all political opposition.