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.
It was the CSS Virginia that was the Confederacy's first ironclad vessel, built on the hull of the Union ship, USS Merrimack, although it turned out to not be terribly useful in wartime.
The expansion of the railroads in the late 1800s was instrumental in helping the US economy boom. It did this in two ways. First, the railroads created a tremendous amount of demand for goods and labor on their own. As the railroads were being built, they needed huge numbers of people to build them.
Explanation:
