The Jacksonian charge that John Quincy Adams won the presidency through a corrupt bargain arose because
a. William Crawford threw his electoral votes to Adams in exchange for a seat in the Senate.
b. members of the House of Representatives claimed that they had been bribed to vote for Adams.
c. Adams ended his previous opposition to Henry Clay's American System.
d. Jackson discovered that there had been vote fraud in several pro-Adams states.
e. after Henry Clay threw his support to Adams, he was appointed secretary of state.
Answer: E