What was abraham lincoln's position on slavery during the lincoln-douglas debates?
a. he wanted to abolish slavery in the entire united states
b. he believed slavery should be allowed in all of the united states
c. he believed the question should be up to the states
d. he did not want slavery to spread to new territories

Which points did chief justice roger b. taney use to justify the supreme court’s ruling in the dred scott case? the property clause of the constitution, the due process clause of the fifth amendment, and the fact that african americans were not citizens. the practice of judicial review established in marbury v. madison, the property clause of the constitution, and the due process clause of the fifth amendment. the necessary and proper clause of the constitution, the due process clause of the fifth amendment, and the fact that african americans were not citizens. the commerce clause of the constitution, the elastic clause of the sixth amendment, and the practice of judicial review established in gibbons v. ogden.