If consumer sovereignty is considered greatest in a system of pure competition, why is sovereignty still limited?

Limits to consumer sovereignty can be the price set by producers on their goods and services.  There is also competition on which goods one can purchase.  You also have to consider the purchasing power of the consumer. Consumers can only buy what the best products that they can afford.

the answer would be a)henry grady because he came up with the term "new south"

answer; decipher the motives for why people behave the way they do;