Answer:Option C i.e agriculture was the important part of the economy is the correct answer. The Shang civilization was located along the Yellow river while as Indus Civilization was located along the Indus River. The banks of these two rivers had a large fertile land owning to their recurrent flooding.
IF HELPED MARK AS BRAINLIEST
Poiltical problems.
i think I spelled that right.
o-o good luck
D. He believed that wealthy individuals made the country as a whole wealthier.
Different ideas, cultures, religions, lots of factors.