Answer:
Read the following
Step-by-step explanation:
Similar: They all depended on rivers and were founded near them, and they used copper or bronze depending on the age, and then they used a near creation the "Wheel" and made carts for horses and used wheels.
Difference: Some were based off of Military states and others was just like the cultural states. Another Difference is that they had a certain amount of influence. Last difference is that they were located in differenet places. another is they had different troops like for southern asian countries they used elephants, and for the eastern europeans they used cosacks.