River-valley civilizations developed in sumer, egypt, china, and the indus river valley. after following the procedures in the planning a compare and contrast essay worksheet, write an essay comparing and contrasting these civilizations.

well those civilizations river valley all for farming in sumer they called did irrigation. they are the same too because it for trade transportation most for farming it for bathing and food. the river valley civilizations used the rivers to travel as well as the indus river valley. but the difference is that once was blocked to the world and one traded.

e. all of em

~courtney