Help me this question

it's number three

Explanation:

the south refused to abide by the laws and created "black codes" to replace the "slave codes" however some parts of the North obeyed the laws. So yes some parts of the United states they enforced the laws but in the south the laws were more or less ignored.

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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.