Liberals tended to belong to the

Middle class is the correct answer!

Explanation:

I got 100% on my edge test for this same question ;)

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so they can differentiate themselves from others as they saw themselves as the superior race. the star was basically a symbol that meant you are a less of a person than i am because of my race. the star was also degrading for those who had to wear it because they were aware of this and the nazis used the notion to make them feel less like a person.