Ulysses S. Grant was an American army officer and political leader who acted as the United States' 18th president from 1869 to 1877. Grant was an achieved civil liberties executive at the time of his presidency, developing the Justice Department and teaming up with the Radical Republicans to secure African Americans at the time of Restoration. He led the Union Army to success in the American Civil War as Commanding General in the year 1865, and after that briefly functioned as Secretary of War.Ulysses Grant made a significant impact on the United States during the civil war. In this sense, his footprint in history is well-worth the study.