▁large ▁number ▁of ▁U sta še ▁members ▁was ▁ordered ▁by ▁the ▁leadership ▁of ▁the ▁N D H ▁into ▁a ▁mass ▁retre at ▁towards ▁the ▁Aust rian ▁and ▁Italian ▁borders . ▁ ▁After ▁the ▁re est ab lish ment ▁of ▁Y ug oslav ia ▁Sold iers ▁who ▁returned ▁from ▁abroad ▁in ▁mid - 1 9 4 5 ▁acted ▁in ▁un organ ized , ▁small ▁groups , ▁which ▁provided ▁a ▁foundation ▁for ▁future ▁gu err illa ▁forces . ▁ ▁Cr us aders ▁in ▁Cro atia ▁and ▁Bos nia - Her z egov ina ▁were ▁mostly ▁former ▁personnel ▁of ▁the ▁Ar med ▁Forces ▁of ▁the ▁N D H , ▁mostly ▁U sta še , ▁but ▁also ▁Cro at ian ▁Home ▁Guard , ▁members ▁of ▁the ▁former ▁Cro at ian ▁leg ion naire ▁divisions ▁of ▁the ▁We hr macht ▁and ▁non - mil it ary ▁U sta še ▁members . ▁ ▁Cro at ian ▁historian ▁Z d rav ko ▁D iz dar ▁describes ▁the ▁Cr us aders ▁mostly ▁as ▁soldiers ▁and ▁other ▁individuals ▁associated ▁with ▁the ▁N D H ▁army ▁who ▁went ▁under ground ▁for ▁fear ▁of ▁their ▁lives , ▁because ▁the ▁Part is ans ▁had ▁engaged ▁significant ▁O Z NA ▁resources ▁in ▁tracking ▁them ▁down , ▁which ▁led ▁to ▁either ▁their ▁summary ▁execution s , ▁jud icial ▁execution s , ▁or ▁long ▁prison ▁sentences . ▁Any ▁known ▁associ ates ▁of ▁elimin ated ▁Cr us aders , ▁mostly ▁their ▁relatives , ▁were ▁also ▁often ▁target ed ▁by ▁the ▁Part isan ▁military ▁and ▁political ▁appar atus . ▁