Answer:
1. Congress had no power to coin money
2. Congress was unable to regulate interstate and foreign commerce; some states refused to pay for goods they purchased from abroad.
3. Congress was unable to impose taxes; it could only borrow money on credit.
4. No national court system was established to protect the rights of U.S. citizens.
5. No executive branch was established to enforce laws. Amendments could be added only with the approval of all 13 states.
6. Approval of 9 of 13 states was required to pass a law in Congress.
7. One vote was allotted for each state, despite the size of its population.
8. Each state developed its own currency.