opposed any practice made an unlawful employment practice by this subchapter, or because he has made a . charge, testified, assisted, or participated in any manner in an investigation, proceeding, or hearing under this subchapter.” 42 U.S.C. § 2000e-3(a). 4 . Plaintiff did not recall the specific details of the DeKalb County complaint of discrimination referenced in her complaint, but we will assume that this complaint of discrimination—like the EEOC charge—alleged some form of sex discrimination' and is thus protected by the opposition clause. 5 . We assume without deciding that these actions—individually or collectively—constitute an adverse employment action for purposes of Plaintiff's retaliation claim. See Shannon v. Bellsouth Telecomms., Inc., 292 F.3d 712, 716 (11th Cir. 2002) (<HOLDING>). 6 . The district court analyzed whether
recognizing that a set of actions may constitute an adverse employment action when considered collectively even though some actions do not rise to the level of an adverse employment action individually holding that termination is an adverse employment action holding that denial of a bonus was not an adverse employment action holding that poor evaluations alone do not constitute an adverse employment action recognizing that employment actions can be adverse even if such actions are subsequently withdrawn