You can join the armed services at 17.
You can drive with a permit is some states at 14 and a license at 16.
If they start voting early maybe they will continue voting, unlike almost half of americans.
Hopefully they will find that local politics are important and some will get involved.
I don't agree with this kids views but he was pretty impressive.
14 and in the Vermont primary
https://youtu.be/S6nQiSUZWek