Under the Articles of Confederation,what Would Be Considered an Accomplishment

Under the Articles of Confederation,what would be considered an accomplishment of the national government?

A) Sending Lewis and Clark to explore the West.
B) Passing ordinances for establishing settlement of western territory.
C) Gaining trade concessions in the Caribbean.
D) Implementing tariffs to protect American craftsmen.
E) Paying off the debt from the American Revolution.