What role did geography play in the early african kingdoms?
volcanic eruptions scared away attackers.
mineral deposits brought wealth and power.
the great rift separated them from the continent.
tropical storms extended the growing season.

The correct answer is: mineral deposits brought wealth and power
In the past, the African Kingdoms were really famous for their wealth. Their kingdoms were located near the source of mineral deposits which granted them a huge sources of ore such as metal and Gold. As their wealth increases, it's easier for them to obtain other things like armies and weapon which bring them more power

Answerdistinguish between the mercalli scale and the richter scale;