All of the Below for Confined Livestock Production Systems Are

All of the below for confined livestock production systems are true except

A) leads to surface and ground water pollution and expensive waste management systems are needed.
B) if animals are not confined, manure can contribute to soil fertility.
C) if animals are not confined, the manure can adversely affect the quality of life of nearby communities.
D) is part of a moral and ethical debate.
E) is not widely practiced in the United States.