Human migration occurred because of several factors. The reasons are the following:
1.food shortages
2.War
3 Seasonal changes
4.Disease and epidemic.
Africans are nomadic people. They thrive more from their environment. They only had to stop migrating during the agricultural era, wherein they learn to plant and tend crops and started cattle herding.
While soviets rejoiced in the attainment of the sputnik system, Americans feared soviet advancements in science.
<h3>What advancements made Sputnik possible?</h3>
Sputnik made the possible to study the radio wave transmission and density of the atmosphere easy. He also supported the scientist to learn to track objects in orbit. He encourages testing satellite pressurization. This made pressure to America for advance of technology.
Thus, option A is correct.
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Answer:
B plains i guess
Explanation:
apache- northern plains
tonkawa- coastal plains
they both are located in a plains region--not the same plains-- but a plains region *hoped that helped*
Answer: He helped the whole country