However , the rapid German advance in the Eastern Front and manpower shortages forced Germans to reconsider .
The Germans did not want to use local collaborators on a large scale as they were deemed to be unreliable and inferior ( Untermensch ) .
The rapid German advance in the Eastern Front and manpower shortages forced Germans to reconsider .
The Germans did not want to use local collaborators on a large scale as they were deemed to be unreliable and inferior ( Untermensch ) .