Answer:
Congress had not have the power to tax. Congress did not have the power to regulate foreign and interstate commerce. There was no executive branch to enforce any acts passed by Congress. There was no national court system.
Step-by-step explanation:
The major downfall of the Articles of Confederation was simply weakness. The federal government, under the Articles, was too weak to enforce their laws and therefore had no power. The Continental Congress had borrowed money to fight the Revolutionary War and could not repay their debts.