Ulysses Grant was a significant figure in American history and the 18th President of the United States. As a military general, he played a crucial role in the Union's victory during the American Civil War. There are several synonyms that refer to Ulysses Grant, such as General Grant, Hardscrabble, Sam, and Unconditional Surrender. The nickname Hardscrabble was given to him for his humble beginnings, while the moniker Unconditional Surrender was given to him after he demanded the Confederate army's surrender. Sam was also a nickname for General Grant, derived from his initials, U.S. His legacy lives on in American history, and he continues to be remembered as a great military hero and President.