Answer:
The correct answer is predatory pricing.
Step-by-step explanation:
When we speak of the legal right "defense of free competition", what we are referring to, in very simple words, is a field of law that seeks to safeguard that competition in the markets occurs "in good and sound fashion", this it is, without cheating, fraud or other "abusive" devices that are apt to achieve, maintain or increase the market power of those who execute them, thereby damaging the collective well-being of the economic agents participating in those markets (and not only the of the individuals directly involved in a certain transaction).