It was A Mesopotamia let me guess you are in 5th grade I did the same thing as you when I was in your grade.<span />
Answer:
Xerxes lived under a government where there is only one king and that's all
I think it could be Michael Jordan :)
The Romans built long stretches of roads to transport goods over land
They also built ships to be able to travel through the sea, which was faster in some cases
hope this helps