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I am writing an essay for school where I have to describe the three different types of relationships that exist in a book we read. The book is set in 1960`s therefore the racism is severe. The three types of relationships I`m talking about are:
1) Whites with whites; Blacks with blacks
2) Blacks with whites; Whites with blacks
3) Those against racism that are white and help blacks fight against racism, and often get prosecuted by getting called 'nigger-lovers`.
I need to know a word that describes each of these relationships. I know #2 can be interracial. Not sure about the other 2. Thanks a lot!
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Here is a list words that you could consider describing characteristics of relationships. I leave it to you to look them up in a dictionary if you don't know the meanings.

prejudice
adversarial
antagonistic
contentious

bigotry
intolerance
hostile / hostility
arrogance, superiority, domination

tolerance
rapport
accord, harmony

community
sympathetic
fairminded, unprejudiced
cooperative
Comments  
You could use "intraracial" for #1.

I don't really understand what you're looking for in #3. This is one category of person; do you want a word for their relationships amongst themselves or their relationships with some other group? In either case, finding a single word that means exactly this seems a tall order.