U.S. History I Group 1 By hosdiggity Period: Jan 1, 1641 to Dec 31, 1861 Factors Leading Up to the Start of the Civil War Dec 31, 1641 Massachusetts is the first colony to legalize slavery Apr 1, 1760 Industrial Revolution This split the North and South in different directions in their economy and culture. May 31, 1787 Constitutional Convention On this date, they created the Constitution but did not make any definate plans on the future of slavery. They decided that it would not be an issue for at least the next 20 years. Mar 14, 1794 The Invention of the Cotton Gin This help make cotton a major cash crop and increased the need for slave labor to pick the cotton. Mar 3, 1820 Missouri Compromise Dec 15, 1849 Wilmot Proviso This was an attempt to prevent slavery in lands purchased from Mexico after the Mexican War Jan 29, 1850 Compromise of 1850 Sep 18, 1850 Fugitive Slave Act of 1850 Many Northerners ignored this and it created more tension between them and the Southerners. Mar 20, 1852 Uncle Tom's Cabin was published This book helped more and more people feel sorry for slaves and what they have gone through. It helped more and more people push to end slavery. Dec 14, 1853 Bleeding Kansas A series of battles fought over slavery in Kansas Mar 6, 1857 Dred Scott Decision Dred Scott lost his case and was classified as property. This upset aboisionists everywhere. Oct 16, 1859 John Brown's Raid on Harper's Ferry Oct 16, 1859 John Brown's Raid John Brown led a group of armed slaves and abolitionists to overtake the armory at Harper's Ferry. His plan failed and he was hanged. Nov 6, 1860 Abraham Lincoln Elected President The South did not recognize Lincoln as President and southern states began to succeed. Dec 20, 1860 South Carolina Succeeds This would push President Lincoln to war to force the southern states back to the United States.