Question

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

Select all correct answers.


a surplus of food


the worship of many nature gods


the need to unite for protection from enemies


the presence of rivers


the building of villages and cities

Answer 1

Explanation:

Surplus of food , the presence of rivers and the building of villages and cities

Answer 2

Answer:

i)A surplus of food

ii)The presence of rivers

iii) The building of villages and cities