Illustrate and explain the sentence, "participation in SNAP is influenced by two major factors - economic conditions and program policies." How will stronger economic conditions and differing program policies influence the demand/supply of SNAP benefits? Use one figure each to depict the two factors.

https://www.ers.usda.gov/amber-waves/2020/august/taking-a-closer-look-at-supplemental-nutrition-assistance-program-snap-participation-and-expenditures/