Question

How did the Shang dynasty gain control of the Yellow River valley?

They invaded the valley and defeated the former rulers.
They befriended the people and became their political leaders.
They used irrigation to manage water and gain control over the people.
They took over the farms of the people who lived there and forced them to leave.

Answer 1

AAAAAAAAAAAAAAA the anser is A

Step-by-step explanation:

Answer 2

A. they invaded the valley and defeated the former rulers