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The PLN, or Partido Liberación Nacional, is the primary center-left political party in Costa Rica. Founded in 1951, it is a social democratic party dedicated to promoting economic and social justice. The PLN emphasizes inclusivity, equal opportunities, and the strengthening of democratic institutions in Costa Rica. It has played a significant role in shaping the country's political landscape and advocating for policies that prioritize the well-being of Costa Rican citizens.