sentences:  In 1922, when incumbent United States Congressman Carl W. Riddick opted to run for the Senate rather than seek re-election to the United States House of Representatives, Leavitt ran to succeed him in Montana's 2nd congressional district.He defeated Preston B. Moss, the Democratic nominee, by a wide margin to win his first term, and in 1924, defeated Joseph Kirschwing by a landslide to win his second term.Leavitt was re-elected in 1926 against Harry B. Mitchell, was overwhelmingly re-elected in 1928 over B.