Born on April 12, 1777 and died on June 29, 1852, he was an American statesman, U.S. congressman, and U.S. senator who was noted for his American System (which integrated a national bank, the tariff, and internal improvements to promote economic stability and prosperity) and was a major promoter of the Missouri Compromise and the Compromise of 1850, which were both efforts to protect the American union from sectional discord over slavery.