Why do people form groups?

A. to get services

B. to buy goods

C. to satisfy needs

D. to change careers

c.) to satisfy needs.

Explanation:

People form groups, (including groups of friends, etc.) to satisfy the needs or wants of people.

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.

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