<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> Through the Missouri Compromise of 1820, Congress kept a tenuous balance of political power between North and South . In May 1854, the Kansas--Nebraska Act, created from unorganized Indian lands and territories of Kansas and Nebraska, permitted residency by U.S. citizens, who were to determine their state's slavery status and seek admission to the Union . Immigrants supporting both sides of the question arrived in Kansas to establish residency and gain the right to vote . However, Kansas Territory officials were appointed (1854) by the pro-slavery administration of President Franklin Pierce (in office 1853--1857), and thousands of non-resident pro-slavery Missourians entered Kansas with the goal of winning elections . They captured territorial elections, sometimes by fraud and intimidation . In response, Northern abolitionist elements flooded Kansas with "free - soilers ." Anti-slavery Kansas residents wrote the first Kansas Constitution (1855) and elected the Free State legislature in Topeka; this stood in opposition to the pro-slavery government in Lecompton . The two Territorial governments increased as well as symbolized the strife of Bleeding Kansas . </P> <P> Among the first immigrants to Kansas Territory were citizens of slave states, notably neighboring Missouri, who came to secure the expansion of slavery . Pro-slavery forces settled towns including Leavenworth and Atchison . At the same time, citizens of the North, many aided by the New England Emigrant Aid Company, moved to Kansas to make it a free state and settled towns including Lawrence, Topeka and Manhattan . </P>

What came first bleeding kansas or kansas nebraska act