Answer:
The right answer is: It was effective in protecting union's rights to picket and strike.
Explanation:
The Clayton Act, signed to become law by president <em>Wilson</em> in 1914, is an <em>amendment</em> to the Sherman Antitrust Act of 1890. It helps and reinforces <em>protection</em> against unlawful and unethical restrains towards trade and labor. It effectively protects workers' <em>unions</em> as well as their <em>rights </em>to protest in peace, declare <em>strikes</em> and <em>cooperatives</em>.
They both worked on stuff to help the guys in the war.
