Answer:
1. The economy was booming under eight years of Republican leadership, and people didn't want to ruin it. However, this would all come to an end in 1929 during Hoover's presidency as the Wall Street Stock Market crashed in October 1929.
2. The Democratic party put up the Roman Catholic candidate Al Smith at a time when anti-Catholic sentiment in America was still strong. Many had resentment towards the Catholic church at the time.