Why did some african americans in northern cities use the term new negro to refer to themselves?

Some of the African-Americans in the Northern Cities use "New Negro" in order to refer themselves because it is their way of expressing their ejection of the accomodationism in Washington. This term was well-known in the Harlem Renaissance which implied an advocacy of dignity and the rejection to quietly submit to the laws and practice of the racial segregation of Jim Crow.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.

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