One weakness of the articles of confederation was that
a. it established a dual court system.
b. it did not provide for a national judiciary.
c. congress could create only a few lower federal courts.
d. the jurisdiction of the supreme court was not clearly defined.

One weakness of the Articles of Confederation was that the jurisdiction of the Supreme Court was not clearly defined.   Called by Alexander Hamilton, the main goal was to discuss amongst each other how to amend the Articles of Confederation to ensure a more effective government by setting standard rules and regulations. Instead of thirteen expected delegates, only five (New Jersey, New York, Pennsylvania, Delaware, and Virginia) state representatives showed up. The five representatives, who were so eager for a change, voted unanimously to meet up again with the others in Philadelphia. The meetup in turn paved way for the Constitution of the United States