Register to vote: https://vote.gov
Contact your reps:
Senate: https://www.senate.gov/senators/senators-contact.htm?Class=1
House of Representatives: https://contactrepresentatives.org/
So, provide the necessary things. Provide housing, medical care, and clothing to anyone that wants it, doing so will probably be necessary for price controls anyway. I’m not saying those things should be unobtainable. I’m saying UBI is a dumb way to go about providing them.
So all food should be free? Or should poor people only be allowed to have certain foods for free but rich people can have anything they want to eat?
I think basic needs should be met, and if you want something better than that you’d need to pay for it.