All of the Following Phrases Are Typically Associated with the Concept

All of the following phrases are typically associated with the concept that the pursuit of economic advantage should be conducted in isolation from the affairs of society except which one?

A) Laissez-faire (government should not be involved in private economic pursuits)
B) E pluribus unum (out of many, one)
C) Caveat emptor (let the buyer beware)
D) Safety net (government should be responsible for helping people in need)