Section 7: “Employees shall have the right to self-organization, to form, join, or assist labor organizations to bargain collectively through representation of their own choosing, and to engage in other concerted activities for the purpose of collective bargaining…”
Section 8: “It shall be an unfair labor practice for an employer… to interfere with, restrain, or coerce employees in the exercise of the rights guaranteed in Section 7…”
https://apps.nlrb.gov/link/document.aspx/09031d4583ae2264
https://apps.nlrb.gov/link/document.aspx/09031d4583bc0fe1
https://apps.nlrb.gov/link/document.aspx/09031d4583b91229
https://apps.nlrb.gov/link/document.aspx/09031d45839dddd3
https://apps.nlrb.gov/link/document.aspx/09031d4583b2c6a1