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.
While Egyptians did not use currency, they did use a unit of measure that made trading easier.For social ranking, merchants were right under scribes in importance. They were respected.
Germany's resumption of submarine attacks on passenger and merchant ships in 1917 became the primary motivation behind Wilson's decision to lead the United States into World War I.
