How did desmond tutu south africa?

Desmond Tutu was a remains a major religious leader in South Africa. During the anti-Apartheid movement Desmond Tutu was a major leader and visionary calling for racial equality and social justice in South Africa. Tuto was used his position of religious prestige in South Africa to advocate for non-violent protest to the Apartheid Regime and for international economic sanctions and divestment to bring down the Apartheid system. 

Ithink the answer is b, monopoly