na ▁in ▁the ▁Middle ▁A ges . ▁These ▁five ▁found ers ▁became ▁collect ively ▁known ▁as ▁the ▁" F ive ▁Fri ends ▁and ▁Brothers ." ▁In ▁ 1 8 7 2 , ▁K appa ▁S igma ▁initi ated ▁Stephen ▁Al on zo ▁Jackson , ▁who ▁would ▁go ▁on ▁to ▁transform ▁the ▁struggling ▁local ▁frat ern ity ▁into ▁a ▁strong ▁international ▁Bro ther hood . ▁In ▁ 1 8 7 3 , ▁thanks ▁to ▁Jackson ' s ▁work , ▁K appa ▁S igma ▁expanded ▁to ▁Tr inity ▁College ▁( now ▁Duke ▁University ), ▁the ▁University ▁of ▁Maryland , ▁and ▁Washington ▁and ▁Lee ▁University . ▁Since ▁then , ▁K appa ▁S igma ▁has ▁become ▁a ▁large ▁international ▁frat ern ity ▁with ▁over ▁ 3 0 0 ▁active ▁chap ters ▁and ▁colon ies ▁in ▁North ▁America . ▁ ▁Early ▁ 1 9 0 0 s : ▁Res id ences , ▁professional ▁frat ern ities , ▁and ▁the ▁first ▁women ' s ▁frat ern ities ▁ ▁In ▁the ▁beginning ▁of ▁the ▁tw enti eth ▁century ▁the ▁frat ern ity ▁system ▁continued ▁to ▁expand ▁at ▁such ▁a ▁rapid ▁pace ▁that ▁university ▁newsp apers ▁question ed ▁if ▁the ▁increase ▁in ▁the ▁number ▁of ▁frat ern ities ▁would ▁ever ▁end . ▁Many ▁frat ern ity ▁chap ters ▁were ▁founded ▁during ▁this ▁time ▁that ▁no ▁longer ▁exist ▁at ▁the ▁university , ▁such ▁Al pha ▁Chi ▁R ho , ▁Th eta ▁Nu ▁E psilon , ▁and ▁D elta ▁Chi . ▁Other ▁chap ters ▁that ▁are ▁still ▁active ▁were ▁founded ▁at ▁this ▁time