Which of the following statements most correctly describes why President take an oath of office?
a. Presidents take the oath of office to demonstrate a peaceful transfer of power and to swear an allegiance to uphold the Constitution
b. Presidents take the oath of office to be able to interpret the law
c. Presidents take the oath of office to swear allegiance to the Declaration of Independence
d. Presidents take the oath of office to calm the role of commander in cheif of the armed forces