Why doesn't Tejas just build a secondary fence/wall one mile inside the USA border with Mexico and just enforce their own " intrastate " border. The Feds can enforce the USA border and Tejas their own state border. I'm a problem solver...
Bringing you up to speed on the law of the land.
Your 'contributions' are taxes, and you'll get exactly as much welfare distributed to you in the future as future Congress determines is appropriate.
You have no property right whatsoever to your 'contributions'.
Welfare?
Nope, they wouldn't get US Federal welfare checks either.