Took advantage of new legal status to win support of black workers (they took militant industrial action)
1974 - 14,167 working days lost through strikes; 1982 - 365,337
Strikes had widespread support and trade unions acted on a range of black grievances - black communities supported strikes with boycotts of the sho or goods o the company the unions were striking against
Strong leaders (e.g. Cyril Ramaphosa) emerged and joined in COSATU (Confederation of South Africa Trade Unions)