The correct answer is A. To prevent the creation of monopolies
Step-by-step explanation:
The Sherman Antitrust Act was an act approved in 1890 with the purpose of forbidden the intentional creation of monopolies and any other practice that supported monopolistic business except those achieve by merit; in this way this act influenced a fair competition between different companies as it became illegal that one company or an alliance of companies tried to become the only supplier for a product or service. Additionally, this act was especially relevant as based on it the government created other acts that regulated the competition in business, Therefore the main purpose of the Sherman Antitrust Act was to prevent the creation of monopolies.