how South Africa reached a solution with white minority and established of peaceful democratic country

A quarter century prior, South Africans started a peaceful revolution. As late as the 1980s observers anticipated that any change from white minority mastery and black dominant part rule would accelerate a ridiculous common war. All things being equal, in 1994 South Africans supplanted president F. W. de Klerk with Nelson Mandela in a free and reasonable political election that amazed the world.

Explanation:

In 1991, the fate of South Africa held gigantic guarantee.

Following quite a while of the merciless, sanctioned racial isolation called apartheid, Nelson Mandela had been liberated from jail, the restriction on the African National Congress (ANC) had been lifted, and exchanges for another constitution had started. While political viciousness between the ANC and adversary groups stayed an unavoidable truth, it couldn't suppress the country's confidence.

the answer is:

c. economic output