Development-based trauma framework (DBTF) identified collective identity stressors and traumas (CISTs) and other trauma types, such as personal identity traumas (PITs), physical identity or survival trauma (PISTs), preidentity such as attachment traumas, and postidentity or secondary trauma (IST). We utilized pooled data from 9 samples from different minorities, refugees, and other victims of CIST (N ϭ 2471) that used measures of cumulative trauma, posttraumatic stress disorder (PTSD), cumulative trauma disorders (CTDs), and existential anxieties (EAAs). PROCESS macro (Models 4, 6, and 7) was used to analyze CIST direct, mediated, and moderated effects, and the serial trajectories of its mediators. We found significant direct effects of CIST on PTSD, CTD, and EAA, in addition to mediated indirect effects Editor's Note. Continue the conversation by submitting your comments and questions about this article/book review to PeacePsychology .org/peaceconflict. (The Editor of PeacePsychology.org reserves the right to exclude material that fails to contribute to constructive discussion.)