What were the two main classifications Hitler used in Germany?
A. Russians and Germans
B. Aryans and Jews
C. Catholics and Germans
D. Gypsies and Russians

B Aryans and Jews

Explanation:

This is because Aryans are young adults who are trying to be exactly like Hitler and Jews are one category of people that Hitler killed

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world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.