Answer:
The barter system, being the most efficient and simple came to be employed in Ancient Egypt. It must be noted, that barter means exchange, or something in return for another. No standard form of currency or coin or paper money was in use at the time. In Egypt, the barter method worked like this.
B: god is in control of history
You must me 17 years of age to serve in the military
I'm pretty sure syracuse was but I'm not sure.
1: Economic benefits for Europe
2: 80%
3: Ethnic Conflict