Ulysses S Grant was an american soldier and the Commanding General of the Army. He led the union army to take over the confederacy during the civil war when the confederate states wanted to not be a part of the U.S. He was also the 18th president of the United States.
Population size is important for a war effort because it determines several things— including how many soldiers can be recruited if need be, as well as how supplies such as food must be rationed.
