Best advice I have is to reach out in your local community to help where you can.

Doesn't matter if it's a municipal food bank, a church running a shelter, a charity helping battered spouses, or some kind of a mutual aid group getting people caught up on the bills... just working with others to help fix what you can does an amazing amount for your mental health. Volunteer to help shelter and feed migrants or the homeless. There's after school programs for kids in single parent households or who's parents have to work too much to be there for them. Cities across the US have citizens councils where local problems are brought and attempts to solve them are made.

I know it all sounds cliche and it's all a bandaid on the bigger picture's problems but, in terms of your own mental health it can do wonders... plus I guarantee groups local to you need an extra set of hands on a regular basis. When bad things are going around, we start to worry... when the bad things are enormous and out of any semblance of our control we think we can do nothing. That's not true, you can do something, just on a local or regional scale. Reach out and offer to help in any way you can.