the domestic slave trade was given a boost by delaying the ban on importation of slaves until 1808 as part of the constitution but others argue that ot began much earlier due to what event

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