What year did congress repeal the clause that had exempted the healthcare industry from employee unionization?

Question

Quizplus · Accepted Answer

In 1974, Congress repealed the clause in the National Labor Relations Act that had exempted healthcare industry workers from unionization. This allowed employees in the healthcare industry to join unions and bargain collectively for better wages, benefits, and working conditions.

What Year Did Congress Repeal the Clause That Had Exempted