Answer:
A. National Labor Relations Act
Explanation:
The National Labor Relations Act was established in 1935. The NLR Act is also referred to as the Wagner Act which is the foundational statute of US labor law. NLR Act guarantees the right of
of private sector employees to arrange into trade unions, engage in negotiation and take collective action like strikes.
The act was written by Senator Robert F. Wagner, passed by the 74th US Congress, and signed into law by President Franklin D. Roosevelt.