The 10th Amendment to the Constitution provides the basis for

the reserved powers of the state governments

the exclusive powers of the national government

the implied powers of the national government

the denied powers of the state governments

i think they should to be honest

explanation:

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.

on my last question

b: the exchange of coined money