Which of the following is a similarity between the Huang River and Indus Valley civilizations?

Question

anonymous · Answer

Which of the following is a similarity between the Huang River and Indus Valley civilizations?

 the use of bronze ritual vessels
 a social class system with farmers at the bottom
 the exchange of ideas with other cultures
 the use of a metal currency

anonymous · Answer

@misssunshinexxoxo

anonymous · Answer

A

misssunshinexxoxo · Answer

Their class systems were a huge similarity

anonymous · Answer

What does that mean

misssunshinexxoxo · Answer

Caste system with four main classes
People were born into social classes that could not be changed.

Brahmins (priests and the king) 
Kshatriyas (warriors and aristocrats - rulers) 
Vaishyas (cultivators, artisans, and merchants) 
Shudras (peasants and serfs)

misssunshinexxoxo · Answer

In my opinion, I believe it should be B