Answer: With a variety of New Deal legislation to protect their rights.
Explanation: The correct answer is: With a variety of New Deal legislation to protect your rights, as expressed in the new Laws such as the National Labor Relations Act of 1935 and the Fair Labor Standards Act of 1938, which were created with in order not to leave unions unprotected under any circumstances and providing them with privileges, what had been agreed with the employers before and that until then they had not given the expected result and with the introduction of this variety of laws, apparently everything would go in a better way to improve the working conditions of workers.
Hey the answer is trench warfare. presuming you're talking about when they fought in trenches across no mans land. hope this helps, have an amazing day :)
