What was the purpose of a camp meeting?

The purpose of a camp meeting is for Protestant Christian religious service that do worship, preaching and communion during Second Great Awakening in the early 19th century.

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;

i believe that the correct answer is a canadian hero.

explanation: he is celebrated as a national hero in canada for successfully thwarting a united states takeover of canada during the war of 1812.