Which of the Following Was NOT a Reason for the Failure

Multiple Choice

Which of the following was NOT a reason for the failure of the Articles of Confederation?

A) The national government set the tax rate too high.
B) The national government had no way to regulate interstate commerce.
C) The national government was not able to conduct foreign affairs.
D) The nation experienced an economic revival during the 1780s.
E) There was no effective national leadership.