Ulysses S. Grant was the 18th President of the United States, serving from 1869 to 1877. Before his presidency, he was a prominent general in the American Civil War, leading the Union Army to victory against the Confederacy. His military strategies and determination earned him a reputation as a strong leader. During his presidency, Grant focused on Reconstruction efforts and civil rights for freed slaves. He supported the passage of the 15th Amendment, which granted African American men the right to vote. Despite facing political scandals, Grant's legacy remains significant in American history for his commitment to equality and unity.