Describe four major events between the period 1850 and 1861 that contributed to Southern secession from the Union.

KANSAS-NEBRASKA ACT  (1854).  This decision allowed the
two new territories to decide for themselves whether to accept slavery or not. Unpopular by both
the North and the South, it repealed the Missouri Compromise and the Compromise of 1850; caused
the dissolution of several political parties; and further divided the nation.

DRED SCOTT DECISION  (1857) . This Supreme Court decision
declared that slaves (and their descendants) were not...