They didn’t know but they were sadly just glorified thugs for the banking cabal and the jews.
The soldiers thought they were fighting for freedom but we all know who runs things- the bank:
The real war was the bank vs germany.
Hitler thew the central bank out of germany and they prospered like never before.
The bank had to ensure nobody could see how good things became when a country prints their own money and abandons the usury system:
https://archive.org/details/EUROPA-TheLastBattleTheFullDocumentary2017