The American economy could not recover from legislative onslaughts by both the Republican and then the Democratic administrations. Individual enterprise, the mainspring of unprecedented wealth, didn't have a chance.
Tracy's deductive methodology, his liberal approach to governmental affairs, and his subjectivism qualify him as a proto-Austrian economist who enjoyed considerable influence not only in France but also around the world.
Sumner is wrongly accused of being a "social Darwinist." Indeed, there is considerable evidence that the entire concept of "social Darwinism" as we know it today was virtually invented decades after Sumner's death.