What were some factors that led to the end of Africa's vast wealth?

Explanation:

With the exception of racism , corruption, a big challenge for Africa's prosperity is the rise in unemployment. Despite the fact that the country's current unemployment rate is 6.1 percent, South Africa and Botswana have exceptionally high rates, as per World Bank statistics.

d.prevent the spread of communism outside of eastern europe.

to force terrorists groups to stop attacking western targets using massive military force.