The legislative achievement outlawed business monopolies is Sherman antitrust act.
The correct option is a.
The Sherman Anti-Trust Act gave the government the right to file lawsuits against trusts and dissolve them. Any arrangement "in the nature of trust or otherwise that was in hindrance of trade or commerce between the different states, or with foreign powers," was deemed unlawful.
The United States Congress created the Sherman Antitrust Act to outlaw cartels, business monopolies, and trusts. Its goals were to control interstate trade and advance economic justice and competition.
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