The Party of Liberation and Socialism (Arabic: حزب التحرر والاشتراكية; French: Parti de la libération et du socialisme, abbr.
[3] The foundation of PLS was announced by Ali Yata on January 26, 1968.
[4] PLS was founded as a successor of the Moroccan Communist Party (PCM).
[2][5][6] PLS advocated establishing socialism adapted to Moroccan national conditions, and called for the unify patriotic forces in a 'United Popular Front' with anti-imperialist and anti-bourgeois characteristics.
[8] In 1974 the Party of Progress and Socialism (PPS) was founded as a successor of PLS.