Which statement best describes why many Southerners supported the Kansas-Nebraska Act?
A.It extended the Missouri Compromise to those areas.
B.It allowed enslaved workers to build the new railroad.
C.It allowed the territories to enter the Union as slave states.
D.It provided Southerners the first opportunity to settle the land.
One of the main reasons why many Southerners supported the Kansas-Nebraska Act was because "C.It allowed the territories to enter the Union as slave states," since it left this decision up to the inhabitants of each new state.
