A caste system is a A
way of dividing society into classes with hard boundaries.
B
social ladder that allows people to change their class freely.
с
method that separated classes purely based on race.
way of finding the best job for each person in society.

Ataxation measure enacted to raise revenues for a standing british army in america

Jackson  said nullification 'means insurrection and war,' and called it a treasonous attack on america. the second aspect of the  force bill  was the passing in congress of a lower tariff in 1833. this was offered as a compromise to avoid conflict with south carolina, and to attempt to defuse the tense situation.source google