What was the major weakness of the articles of confederation?

Explanation:

system of checks and balances.

-Congress had no power to tax.

-the central government lacked strong powers.

-Congress could not control trade or commerce.

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

interest groups send representatives to state capitals and to washington, d.c. to put pressure on members of congress and other policymakers. they engage in lobbying, or the organized process of influencing legislation or policy. lobbying can take many forms. interest groups can testify in congressional hearings.