The answer is “vote” but not just once. Not just for federal elections. Every election, you should be there. Show up to candidate forums and bother your current electeds.

Every government is like a ship of various size, it takes a while to see the turn even start, let alone have the course actually get corrected. The bigger the government, the harder it can be to get long lasting positive change accomplished. (This isn’t a “small government is better” thing either, it’s just how large organizations work.)

If you can, run for office. If you can’t, find someone you trust who can and support them. Not just Congress or president or governor. City council, county government, school board, on and on…