Answer: In a group of city-states, each city-state is independent and rules by its own king. No central power controlled all of the city-states. In an empire, consisting of a nation and the city-states and nations it has conquered, one ruler is in control.
Explanation: One has a king in where the other has just a ruler
Answer: The answer is not C it is A!!!
Explanation: I just took the test and got it wrong because I choose C and I retook it and I picked A and it was right.
Because electricity is better for the environment
I would say it is D, represent people.
