What evidence is there for the argument that the progressives' successful breach into the u. s. supreme court's "liberty of contract" doctrine came at significant cost?

In a modern democracy all elected officials serve for a certain number of terms then must retire a high school sophomore and a senior citizen may vote at the polls together a united states senator votes on immigration law on behalf of your mother through indirect ballot all democracies have a two chamber system of representation united states citizens live in a direct democracy