Final answer:
The subject of this question is Law, specifically the Sherman Antitrust Act and its role in administering antitrust laws to prevent unfair competition and monopolies.
Step-by-step explanation:
The subject of this question is Law. Specifically, it is referring to the Sherman Antitrust Act and its role in administering antitrust laws forbidding unfair competition, price fixing, and other deceptive practices. This Act was passed to limit the power of trusts and prevent monopolies in the United States.