1. 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.

Similarites

*Annual flooding left fertile soil

*Surplus of food allowed specialized jobs

*Used the rivers for trading

*ALL worshiped many gods

*Built large temples

*They had rulers

Differences

*All had used different rivers

*Indus Valley; Cities were planned in a grid

*Believed in afterlife

*3 or the 4 civilizations fell

this is just ideas of similarities and differences, sorry if this isn't all that you wanted or expected, i am still working on mine, but this can help you along the lines, i can try to write something if i finish mine early.

Hope this helps :)

c, they united with once