Option 4, was indifferently enforced and weakened by the courts, is the right answer.
Explanation:
The Congress of the United States enacted a law known as the Sherman Antitrust Act to check the power concentration that interferes with trade and led to a reduction in the economic competition.
This act sets competition among various companies. In this way, it prevented all those documents and agreements that were anti-competitive in nature and the sole organizations that had a monopoly or were trying to establish a monopoly in their respective businesses.
