Answer:
Civilization is when societies develop as a result of their interaction with other people.
The criteria of civilization were met by Sumer through the sharing of work, abundance of food, work, and the creation of colonies.
The rivers that were in Mesopotamia and its location helped in supporting trade. Mesopotamia got access to resources such as timber and precious metals.
Civilization can spread through travel, trade, and warfare. When people trade, they learn different skills and languages which are vital in the development of an area. People shared ideas and this was vital for the development of the economy.
Step-by-step explanation: