Until 2000, every election in Mexico was won by a party called the [[1]].

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Detailed Solution

Until 2000, every election in Mexico was won by a party called the Institutional Revolutionary Party (PRI or IRP). It was established in 1929 and won elections uninterrupted for 71 years, from 1929 to 2000, even though there were other opposition parties. However, it caused serious concerns because they won elections not as a result of hard, honest work but through various fraudulent means like spending lots of money on the campaigns, changing the poll booths at the last minute to confuse voters, forcing parents to vote for PRI in government schools, etc.

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