Laws and regulations change over time; however, in the United States the thrust of most business legislation can be summed up as

A) any practice is permitted.
B) any practice is permitted that does not substantially reduce competition and harm consumers or society.
C) any practice is permitted that does not substantially harm consumers or society, but this applies only within the United States.
D) any practice is permitted that does not harm the environment.
E) any practice is permitted that does not break the law.