Anchor: In the 1960s, a revisionist school of economic historians proved that limiting wheat exports would have made only a puny dent in the calamity.
Entailed:  limiting wheat exports would have made only a puny dent in the calamity.
Contradiction: Limiting wheat exports proved to be the best action to take.
Contradiction: Consumers and suppliers will never go for it or anything else because they have better things to spend their money on.
Contradiction: Preventing it from being a political football is the only way to get this sorted out.
Contradiction: The view is only good from the east.
Contradiction: Three peopel walk in the street.