Question

Which factors led to the development of the four river-valley civilizations of Mesopotamia, Egypt, the Indus Valley, and China?



Choose all answers that are correct.



A.


the building of villages and cities


B.


the worship of many nature gods


C.


a surplus of food


D.


the need to unite for protection from enemies


E.


the presence of rivers

Answer 1

its a unit test

Answer 2

UPDATE:chose more than one

Answer 3

I believe it is C and E.

Because of the surplus of food and the presence of rivers, each civilization was able to build cities and develop a religion.

Answer 4

ok