The PRI hurt Mexico's efforts at political democracy when leaders used corruption to dominate all political institutions.
Party for Institutional Revolution (PRI), Since its establishment in 1929, this political party has largely controlled Mexican politics. Following the Mexican Revolution (1910–20), control shifted from political-military chieftains to state party units, leading to its establishment. Up until the late 1990s, PRI nomination for public office was practically a guarantee of victory; nonetheless, Mexico City chose its first non-PRI mayor in 1997. At the federal level, the president, who served as the party's leader, often chose the party's nominee for president, essentially choosing his own successor.
From 1930 to 2000, the Institutional Revolutionary Party (PRI) of Mexico won every election. Elections were challenged by the opposition parties, but they were never successful. To get into the elections, the PRI employed numerous shady tactics. (i) All government employees were required to attend PRI party meetings. (ii) Government school teachers counselled and occasionally coerced parents into supporting PRI. (iii) The media consistently lambasted the opposition parties while downplaying their valiant efforts. (iv) Polling places may occasionally be switched around without prior notice. It attempted to obstruct the voting process. (v) While in charge, the PRI spent a substantial sum of money to influence the election and the candidate's campaign.
Supporting answer
Hence option A is correct answer
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