Identify and describe practice barriers for APNs in your state and discuss these barriers on a state and national level. Identify forms of competition on the state and national level that interfere with APNs ability to practice independently. Identify the lawmakers at the state level (i.e., key members of the states legislative branch and executive branch of government) My State is Maryland. Discuss interest groups that exist at the state and national levels that influence APN policy. Discuss methods used to influence change in policy in forms of competition, state legislative and executive branches of government and interest groups.