The correct answer would be "It granted sovereignty to each state." If you didn't know anything about the Articles of Confederation, you could first, analyze the simple meaning of its name, or use the process of elimination: No movement of any kind or any addition to the government of the U.S. has ever created a powerful central government, because the focus of our government has always been to remain balanced. We have also never experienced a limit on personal or individual freedoms. In fact, the Bill of Rights protects them. National economy just isn't relevant, so you're left with the first answer.
