The Fight Over the Admission of Missouri to the Union

The fight over the admission of Missouri to the Union

A) resulted solely from the emotional feelings that people had about slavery.
B) ushered in an era in which virtually every session of Congress had to deal with the slavery issue.
C) concerned purely political questions, with no discussion about the morality of slavery.
D) was of great political significance because Missouri's admission would disrupt the balance between slave and free states in the Senate.