The Hour of the Furnaces (1968)

Divided into three segments, namely 1 Neocolonialism, 2 Act for liberation, 3 Violence and liberation, the documentary lasts more than 4 hours this deals with the defense of the revolution and the revolution of the third world such as the revolt of the students in the United States and Western Europe, Czech citizens protest against the Soviet Union's State bureaucracy and also the revolution that (probably) is unprecedented in Argentina.