Commander of the Union army during the Civil War and 18th president.
Grant was commander of the Union army during the Civil War. Grant led much of the North's battles and eventaully pinned Robert E. Lee in a final battle where Lee surrendered. Grant later became 18th president of the U.S. but was not popular during his presidency due to controversy with his cabinet members' corruption.
He was an important general for the North. His most important victory was the the battle of Vicksburg. His cabinet during his presidency was also very corrupt and made many illegimate moves. This corrupt period of presidency is known as "Grantism"