Which of the Following Did NOT Happen During the Election

Which of the following did NOT happen during the election of 1828?

A) Andrew Jackson challenged Henry Clay to a duel for having engineered his defeat in the "corrupt bargain" of 1824.
B) John Quincy Adams's supporters accused Andrew Jackson of murder.
C) Adams's supporters questioned the morality of Andrew Jackson's wife because she married Jackson while she was still married to another man.
D) Jackson's supporters claimed that Adams had engaged in objectionable sexual practices while serving as a diplomat abroad.
E) Adams kept in office federal employees who openly campaigned for his opponent.