That means continental-scale famine. I'm not kidding - loads of countries only have the populations they have today because they can import cheap food from Europe and the Americas. Without that trade, billions starve.
America needs more stimulation that's less direct cash and more services based. A guarantee for a one-time provision of free housing for non-asset holders. Proper zoning and less NIMBYism to make it more affordable (even massed mixed-purpose zones). Medicare and Medicaid for all, and making it easy for people to avail of these. More educational funding to state and community colleges, after diverting funding from private universities. Food stamps with rationing for the neediest. A solid infrastructure programme like the WPA, to stimulate rural and blue-collar growth.
Imo, you can only be truly free if the major needs in the hierarchy - food, shelter, education, health and leisure - are taken care of. Then you can help people get rid of bullshit jobs and working for a pittance.
Of course, they won't be implemented. Repubs would be crying out loud at "handouts" and "freeloaders", without saying that you can only stop further freeloading by pulling out the poor from their chasm.