Dividing the Union

Winner, ISHS Superior Achievement Award for a Scholarly Publication, 2016 In 1820 the Missouri controversy erupted over the issue of slavery in the newly acquired lands of the Louisiana Purchase. It fell to Jesse Burgess Thomas (1777–1853), a junior U.S. senator from the new state of Illinois, to handle the delicate negotiations that led to the Missouri Compromise. Thomas’s maturity, good judgment, and restraint helped pull the country back from the brink of disunion and created a compromise tha