Answer:
Because the U.S. Constitution originally stipulated that the Federal Government would start on March 4th each year. FDR's first inauguration in 1933 was the last inauguration held in March. The inauguration date was changed with the passage of the 20th Amendment, which moved the date up to January 20th.
Explanation:
THe answer to the first question is the first answer
The answer to the second question is the thrid answer