Which is the BEST description of the difference between the Unionist and Secessionist viewpoints regarding secession?
A) Unionists opposed secession and wished to stay in the Union, while Secessionists supported secession only if the southern states could secure Great Britain as an ally.
B) Unionists supported secession and wished to unite with other southern states, while Secessionists opposed secession and favored cooperation with northern abolitionists.
C) Unionists supported secession as a last resort and only if it was done with the full support of all of the southern states, while Secessionists opposed secession altogether.
D) Secessionists believed that secession was the only solution to the issue of preserving slavery and states' rights, while Unionists opposed secession