Answer:
Sherman Antitrust Act
Explanation:
Sherman Antitrust Act was given the approval on June 2, 1890. It was passed to maintain a lawful scenario in the businesses. The members of Congress anticipated in the formulation of the law in order to provide a regulation to the interstate commerce. It was a law that stressed upon preventing the emergence of monopolistic economy. The monopolistic trade was turned to be illegal. Any trust that would interfere with the working of the free trade was made illegal.
They used electronic surveillance meaning they were able to listen to phone calls, reading emails and text messages etc.
The answer to the question is C
