Which level of government regulates international trade and trade between states?​

The U.S. Constitution, through the Commerce Clause, gives Congress exclusive power over trade activities between the states and with foreign countries. Trade within a state is regulated exclusively by the states themselves.

Explanation:

special interest groups must step back and let the process work itself out a representative can amend it at several points in the congressional staffers must do homework and report to the floor on what they 've learned