The lack of a stable government, dictators, and civilian uprisings.
I believe the Project Mercury was the first program that first sent two people into Orbit.
It was the Soviet Union that put the two people to explore the Orbit.
One way is Europeans generally exploited natives in every one of their colonies.
Answer:
They had originally used the natives to do their laborious work but do to disease, and harsh working conditions the majority of them died. They needed a new cheap labor force and that's when the Spanish began to use <u>African</u> slaves.
