What effect did the invention of irrigation systems have on both ancient Egypt and Mesopotamia? A.

It reduced farmers’ dependence on aid from the pharaoh.
B.

It brought fresh-water supplies to desert areas.
C.

It helped to cause flooding in the areas around the rivers.
D.

It increased trade across the Mediterranean Sea.

pls answer because I have a test about this question..

the story goes that because of this belief, constantine was able to defeat his foes. constantine became an ardent1 christian. christianity and other religions were tolerated under constantine's rule. constantine also was responsible for the building of a great cathedral in rome.

should be the answer hope this

answer; the period of time known as the middle ages;

deadpool

explanation: