1937 WPA Mural by Harry Sternberg,
          Chicago: Epoch of a Great City
how American agriculture became the most productive and food prices lowest (as percentage of spending)
"The human costs of this transition were enormous."

how to solve overproduction?
Agricultural Adjustment Act of 1933--supported "progressive" farmers

Tennessee Valley Authority

Soil Conservation Acts of 1935
payment for cutting production tied to conservation uses of the land (plant treestrees, legumes or pasture, erosion control)

all New Deal programs were based on prior levels of production
this tended to lead to smaller farmers selling out to larger ones

present day
            farm subsidies by farm size