How did geography affect early african kingdoms?
desertification extended the growing season.
the great rift protected them from attack.
natural resources brought wealth and power.
seismic activity prevented invasions.

Correct answer choice is:

Mineral resources brought wealth and power.

Explanation:

The African continent is endued with gold, diamonds, oil, coltan, bauxite, uranium, ore and alternative valuable resources. Gold mining is Africa's primary mining resource on which it's economy relies. In the past, the South African kingdom of Mapungubwe flourished because of these natural resources. This is the reason, many invaders tried to invade this region to gain wealth.

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