Which of the following events produced accusations of a “corrupt bargain” during the election of 1824?

A John Quincy Adams was elected president by the House of Representatives despite coming in second in popular and electoral votes.

B Henry Clay challenged John Randolph to a duel after Randolph insulted Clay.

C The state legislatures nominated their own presidential candidates after the Democratic-Republicans in Congress nominated William Crawford.

D The Kentucky House delegation cast its presidential vote for John Quincy Adams despite being told to vote for Andrew Jackson by the Kentucky state legislature.