Question

Which of these is a similarity between early Indus River Valley and early Chinese(Shang) civilizations?

a. neither showed signs of great wealth
b. each declined due to change in climate
c. agriculture was an important part of the economy
d. their daily lives were highly documented by scholars

Answer 1

I am not entirely sure, but I would guess that agriculture was an important part of the economy, since they're both built around rivers.