Why did Hoover have greater appeal than Smith in the election of 1928?

Why did Hoover have greater appeal than Smith in the election of 1928?

a. As a Catholic and big-city politician, Hoover appealed to the immigrant population that was larger than the “nativist” population.
b. As a Protestant and someone who stood for traditional American values, Hoover appealed to a larger majority of Americans.
c. Hoover was a self-made man who embodied the American belief in freedom of opportunity and upward mobility.
d. Hoover had fought in the First World War, but Smith had not.
e. Prior to the presidential race of 1928, Smith had never been involved in politics.

ANSWER
B