Germany wanted to impose the Nazis New Order across Europe. Other countries became dependent on the third reich, in three categories:
Annexed territories ( Austria, Alsace, Lorraine, Luxembourg, Bohemia, West Poland, which became part of Germany.
Satellite states. Allies of Germany or governments that collaborated with Nazi occupation.
Occupied territories ( Northern France, Belgium, Netherlands, Denmark, Norway, Greece...) which were considered different and were mistreated.