WIC, SNAP, Medicare, and Medicaid were supposed to end poverty. Why didn't they? Why does creating new programs in addition to these solve the problem of povert

WIC, SNAP, Medicare, and Medicaid were supposed to end poverty. Why didn't they? Why does creating new programs in addition to these solve the problem of poverty when these programs failed? How much money needs to go towards welfare before it will achieve its goal, as a proportion of GDP? How can that money be distributed efficiently, and can you find historical examples of societies solving poverty? What about societies that tried to solve it?