Final answer:
Antitrust laws are laws that prevent anticompetitive behavior and promote fair competition. They prohibit activities like forming cartels, fixing prices, and engaging in deceptive practices.
Step-by-step explanation:
Antitrust laws are laws that are designed to prevent anticompetitive behavior and promote fair competition in the marketplace. They are a set of rules and regulations that aim to protect consumers from practices that might reduce competition. These laws prohibit a variety of activities, such as forming cartels, fixing prices, allocating customers, and engaging in deceptive practices.