While the public was demanding regulation of the railroads, similar complaints were being made against the trusts. The unfair practices of the great trusts were given publicity in books, papers, and magazines. Several states passed laws trying to regulate the activities of trusts, but here again state laws were inadequate because trusts were not limited by state boundaries.
President Benjamin Harrison suggested that congress do more about regulating trusts and monopolies. The result was the Sherman Antitrust Act of 1890, but the strict wording of the law made it hard to enforce.
In the case of Standard Oil, which had long been under fire, federal courts ruled that this trust must be broken up into severalo smaller companies. This was done.