Involved.
After the passage of the Tariff of Abominations in 1828, which South Carolina politician advocated 'nullification' and stated that
the South should ignore any law that favored the North?

The tariff was so unpopular in the South that it generated threats of secession. John C. Calhoun, Andrew Jackson's vice president and a native of South Carolina, proposed the theory of nullification, which declared the tariff unconstitutional and therefore unenforceable.

he was able to speed up production of the processing of seeds

because it took place after the war of 1812 had come to an end.