Please note that Hitler was Austrian, not German.
also note that Whoopi is black not white
1. Prussia unified the various Germanic nations (Swabia, Saxony, Bayern etc.) and not the Habsburgs
2. At the end of WWI, the Austrians wanted to join with Germany but the allies did not allow it.
Germanic peoples include Austrians and Dutch and northern Swiss and indeed the Scandinavians with common mythologies which Hitler wanted to revive