Original sentence: Previously, several other organizations, including Sigma Nu (disbanded during Spring 2009 Rush by an illegitimate University-sponsored puppet regime but still highly active under shadow government), Sigma Alpha Epsilon, Kappa Sigma, Delta Delta Delta, and Kappa Kappa Gamma were represented on campus, however those chapters have all closed for a variety of reasons
Edited sentence: Previously, several other organizations, including Sigma Nu, Sigma Alpha Epsilon, Kappa Sigma, Delta Delta Delta, and Kappa Kappa Gamma were represented on campus, however those chapters have all closed for a variety of reasons