The Federal Tariff of 1828 placed a high tariff on imported goods which was very damaging to the South because their economy relied on imports as they did not have much industry.
Spurred on by the proclamations of Vice President John C. Calhoun who declared that States did not have to comply with all Federal law, South Carolina passed a law that theoretically allowed it to nullify any Federal law that it deemed to be damaging to its interest.
President Jackson threatened to use soldiers to ensure compliance to Federal law but the crisis was averted due to negotiations led by Henry Clay.
modern liberalism in the US is the dominant version of liberalism in the US. It combines ideas of civil liberty and equality with support for social justice and a mixed economy according to lan Adams, all American parties are liberal and always have been.
