Ulysses S. Grant was a president.
Ulysses S. Grant . Twice elected president , Grant led the Republicans in their effort to remove the vestiges of Confederate nationalism and slavery , protect African-American citizenship , and support economic prosperity . Elected president in 1868 , he stabilized the nation during that turbulent period , prosecuted the Ku Klux Klan , and enforced civil rights and voting rights laws using the army and the newly created Department of Justice .