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 :)
Humanism is a way of looking at the world that emphasizes the importance of human beings as opposed to emphasizing the importance of deities and supernatural forces ie it emphasizes the ability and creativity of human beings to transform the world in our image.
