The main reason why revolution swept so many African nations following their independence from European rule was because there was a giant power vacuum that needed to be filled--usually by a dictator.
I believe the answer is A according to my calculations.
Answer: Gold
Explanation: "Spanish explorer Francisco Pizarro heard rumors of an empire to the south that had large amounts of gold."
They influence each other by using the trading network
Answer:
mandatory voting is not a part
