Historical Overview of Black Resistance, 1932-1952 - The Congress of the People and Freedom Charter Campaign by Ismail Vadi, New Delhi, 1995
… expanded rapidly and important changes occurred in the structure of production. In particular, the period witnessed … class. Not with standing these weaknesses in the CPSA's structure, strategy and tactics, and theoretical outlook, it … together with the passing of the Native Labour (Settlement of Disputes) Act in 1953, had posed completely new …