Question

Which best explains how rivers affected the interaction between prehistoric groups?

They protected groups from invasion.
They served as places to build cities.
They kept groups separate most of the time.
They let groups divide and form unique cultures.

Answer 1

and medal

Answer 2

im thinkin b

Answer 3

I'm thinking A or B.

Answer 4

anymore suggestions?

Answer 5

Well, think about it, A is very true because sometimes they were frozen over or were very hard to swim in because of the current, but B is also correct in a way because you could build homes along the riverside. You see?

Answer 6

thx i have another question

Answer 7

on another one