Marxist-Socialist populist party of President Juan Evo Morales Ayma with a special affinity to revolutionary Cuba and the legacy of Che Guevera. Full name: Movement for Socialism–Political Instrument for the Sovereignty of the Peoples [Movimiento al Socialismo–Instrumento Político por la Soberanía de los Pueblos, abbreviated (MAS-IPSP)]. Party was originally launched as the "Falange Socialista Boliviana" adding "Movement To MAS-Unzaguista Unzaguista Socialism" on July 30, 1987.