Final answer:
The Sherman Anti-Trust Act was established to restrict monopolies by giving the government the power to break up corporations that were acting in restraint of free trade.
Step-by-step explanation:
The Sherman Anti-Trust Act was established to restrict monopolies. This federal law was passed in 1890 and gave the government the power to break up corporations that were acting in restraint of free trade by forming monopolies or engaging in other practices that artificially raised prices. The act targeted trusts that interfered with the free market and interstate commerce.