<human>:  Why did Calvin Coolidge win the 1924 presidential election?
<bot>: Calvin Coolidge was a Republican, and the Republican party was very popular at the time. Coolidge won the election by a landslide, and was the only president to win a second term. Coolidge was a very popular president, and had a very good reputation among the public. He was known as "Silent Cal" because he didn't make many public statements.