Under the Articles of Confederation, Congress was unable to improve the economy because it did not have the power to regulate inflation. power to stop foreign goods. backing of the executive branch.. ability to create new states.

power to regulate inflation.

Explanation:

Under the Articles of Confederation, Congress was unable to improve the economy because it did not have the power to regulate inflation

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;