Lincoln’s accusation that some Americans wanted to nationalize slavery can be supported by all of the following EXCEPT:
A. The Dred Scott decision, which supported the idea that Congress cannot exclude slavery in states because of constitutional constraints.
B. The desire by many in the South for slavery to be allowed to expand in the territories.
C. The increased popularity of the “Spirit of Nebraska.”
D. The popularity of the Missouri Compromise during the late 1850s.