C. Countries with command economies created problems, such as high unemployment, by reducing government spending.
Explanation:
The command or centralized economy is one in which the factors of production are in the hands of the State. Therefore, the market loses its raison d'être as a mechanism for consigning resources. These manipulations are carried out through economic plans for several years (five-year plans), which specify in detail the supply, production methods, wages, investment in infrastructure.
In April 1994 the Mandela-led ANC won South Africa's first elections by universal suffrage, and on May 10 Mandela was sworn in as president of the country's first multiethnic government.