Which best explains how the institutional revolutionary party (pri) maintained power in mexico for many years? a. it defeated opposition parties by controlling congress and using election fraud. b. it ruled so well that people prospered and opposing parties did not succeed. c. it acted like a dictatorship and jailed those who opposed the way they ruled. d. it offered the working class many benefits and kept dissension to a minimum.

a. It defeated opposition parties by controlling congress and using election fraud.

Explanation:

PRI was the Mexican political party that governed most political institutions since it was established in 1929 and until the end of the millennium. Even though the PRI was able to gain the backing of many citizens, it did use repression and electoral fraud to strengthen its situation. Such is the case of the violent suppression of student demonstrations in the 1970s and the fraudulent elections during the ´80s and ’90s.

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