One of the Central Paradoxes of the 1850s Was That

One of the central paradoxes of the 1850s was that southerners and northerners

A) held increasingly different views on slavery,yet managed to keep tensions minimal.
B) disagreed on the issue of slavery,but both sides were aware that the institution was on its way out.
C) became more polarized on slavery,yet more unified by economic ties.
D) parted ways on slavery,but were together on most other significant political issues.