Answer:
d. Clayton Act
Explanation:
* The Clayton Antitrust Act, declared in 1914, proceeds to improve U.S. patronage systems now.
* Designed to encourage quicker antitrust enactment, the Clayton Antitrust Act forbids anti-competing alliances, unfair pricing and predatory, furthermore other sorts of unscrupulous corporate action.
* The Clayton Antitrust Act also preserves people, enabling lawsuits corresponding organizations and supporting the rights of labor to assemble and demur modestly.
Medical researcher recommends that the new flu shot will stop all kinds of the flu, though it was never examined or declared to be right, so as we know that this will act according to the Clayton Act as rules explained above.