The ability of the president to veto a bill passed by congress is a good example of what principle of limited government? separation of powers federalism checks and balances civil liberties

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.