Which of the following is true about the southern manifesto? A. it was written in 1845 before the civil war
B. it argued in favor of national government power
C. the tenth amendment was basically rendered useless
D. southern officials declared that thier states were no bound by scotus rulings on segregation

is it B

Explanation:

officials declared that their states were not bound by Supreme Court decisions outlawing racial segregation. ... The Court has limited the power of the national government over the state governments.

“a committee reviews the bill and marks it up to make it more viable and to reflect interests