"John C Calhoun decided to back John Quincy Adams since he was to be named Secretary of State once Adams had won the election" can be applied to the Presidential Election of 1824
Option A
Explanation:
The presidential elections in 1824 in the United States of America were the twentieth four-year presidential race, from Tuesday 26 October to Thursday 2 December 1824. Neither one won the majority of the vote and became the only option required by the requirements of the 12th Amendment to hold a conditional election in the Senate.
John Quincy Adams was elected as president on February 9, 1825. The winner never did at least achieve secularism of National People's Vote during the first election.
John C. Calhoun Retired, instead of continuing to run for vice president.
When Adams won the election, John Quincy Adams has been voted into power Secretary of State .