"Having blazed a trail for African filmmakers to tell their own stories on-screen, Senegalese auteur Ousmane Sembène took his career-long project -- to unlock cinema's potential as a vehicle for social change -- in increasingly urgent and provocative directions in the 1970s. Searing critiques of colonialism, political corruption, patriarchal arrogance, and religious indoctrination, his three features from this decade -- the radical call to resistance...