During the Apartheid Era, South Africa's Protectionist Policies, Including Trade

During the apartheid era, South Africa's protectionist policies, including trade tariffs and government subsidies

A) favored the manufacture of capital goods.
B) helped to create economic inefficiencies that constrained economic growth.
C) were undertaken as a means to reinforce minority rule.
D) eased the country's dependence on imported technology.
E) All of the above are true of such policies.