I have faith in the younger generations ability to do far more than we have, but mostly in the women leading us until millennial women's kids are voting age.
Then vote out Republicans and expand Obamacare to 100% of the population, Obama got it to 92% before the Republicans stonewalled it.
Obamacare would fix this, and is actually the law currently, it just needs to get put back together after the Republicans tried like hell to destroy it.
Then you should understand what the Republicans have been doing to stop all progress since then. The Democrats need to win a Super majority in the Senate, House and Presidency to get anything done. And then keep it for longer than the 2 years each Pesident has done since then.