Answer:
The federal government used the Act to invalidate formal and informal arrangements by which different companies in the same industry set prices, though for the first decade of its existence the Act did little to slow the rate of business mergers.
MAIN PURPOSE FOR THE ACT:
The Sherman Antitrust Act is the first measure passed by the U.S. Congress to prohibit trusts, monopolies, and cartels. The Act's purpose was to promote economic fairness and competitiveness and to regulate interstate commerce.