This was only recently made aware to me, but local government across the U.S. has a ton to do with what happens in your every day life.
Often, what happens when your community gets random things it needs, like public parks or expansions or projects for already built parks, infrastructure for your roads among other things.
Not only that, but often your local D.A. in smaller areas will go completely uncontested in elections.
Regardless of where you are at, look into your local government. If we want to improve our lives now in this or that way, we need to actually work on running in local elections and changing it at the ground level.
I would also recommend The G Word on Netflix, where all sources for anything I just said are completely cited, and it contains a lot of useful information on the functions of our government at all levels. The skits are a little cringey but the information is solid.