Answer:
member of a community or tribe not belonging to one of the great civilizations
Explanation:
Many people are of mixed ancestry
Answer:
the civil rights movement
Explanation:
It would be the oasis and aquifers provide water to the people. In the arid places people tend to supply by travelling around the desert and stopping in areas that has oasis and aquifers in order to replenish their water supplies. Also oasis and aquifers become stopping posts if it is a trade route for merchants and travelers in the arid regions.
