The employee must prove that the employer took adverse action because of acts protected by law. There must be a relationship between protected activity and adverse employment action such that one event is generated by the other.
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Anderson v. Meyer Broadcasting Co., 2001 ND 125, 630 NW2d 46
Freeman v. ACE Telephone Ass’n, 404 F. Supp. 2d 1127 (D. Minn. 2005)