B. Emancipation proclamation
Answer:
Which principle of government is found in both the Articles of Confederation and the Constitution of the United States? (1) The right to vote must be guaranteed to all Americans. (2) Supreme Court justices should be elected by the people. (3) Governing power should be divided between different levels of government.
Explanation:
The northern states began working to end slavery, but the southern states needed slaves because they thought their economy would suffer without them.
Good luck that is a hard question