Answer:
c. along the coasts and river valleys of africa.
The correct answer is D. were set up mostly for exports.
The scramble and partition of Africa was mainly because the European needed raw materials for their industries abroad. As a result, they introduced various cash crops in their colonies for export to Europe
They fled to Union camps in the North or West.
It was unthinkable that a person in western Europe could be other than a devout Catholic. He, Columbus, was motivated by religion in his voyages. The natives he met were required, on pain of death, to become Christians.
