Which was part of Sumerian farming and trading? Select ALL correct answers.

A. Lumber, stone, and gold produced in Sumer could be traded for food.
B. Levees held back the annual floods of the Tigris and Euphrates Rivers.
C. Surplus barley and wheat could be traded for other things.

I think it is B. Levees held back the annual floods of the Tigris and Euphrates Rivers.

Explanation:

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.

unbeknownst to the slave-ship captains, the daily dancing and exercise regime and vernacular dance are also derived from america's african-based slave legacy. both are african-american cuisines from the slavery era.

explanation: