Respuesta :
The correct answer is C.
The Clayton Antitrust Act was issued in 1914 as an amedment to correct deficiencies in the former Sherman Antitrust Act from 1890. The main aim of these laws was to end any form of business behaviour that may prevent competition. One of the major changes brought by The Clayton Antitrust Act was that it allowed certain union activities that were banned by its precedessor.