Final answer:
Right-to-work laws weaken union power by limiting agreements on membership and dues, passing protective laws lessening reliance on unions, and lessening favorable legal conditions for union formation.
Explanation:
Right-to-work laws in the United States prohibit union security agreements, reducing union power by limiting their ability to require membership or dues for employment. Additionally, the passage of laws in favor of workers' rights has made some employees feel less dependent on unions for protection, further diminishing their influence. Furthermore, laws like the Taft-Hartley Act of 1947 have created a less favorable legal environment for union formation, contributing to declining union membership.
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