Result was that everything eventually became part of interstate commerce, hence subject to federal regulation. End result is that duel federalism is dead. Farmer couldn't grow his own wheat under AAA, and the courts supported the state in saying he couldn't. Constitutional interpretation Literalist just does research, claims uninterested in results but still have agenda. Look to dictionary for definition, but can choose definitions.
Evolutionary approach is concerned with result.
I.e. Thurgood Marshall. Filburn had filed for a subsidy, which was based upon a field size. He was asked to refund the subsidy, because he had grown too much wheat. Quota amount was 11.1 acres, Filburn produced 23. Sold 11.1, keeps the remaining for his own use.