Sentence:  Recently, on a wintry Sunday, some 2,500 white Chicago area residents embarked on a strange safari across the city, determined to do what most of them had never done before—visit a <WSD>Negro</WSD> home. Eager to purge themselves of ignorance about the city's "other half," they were participants in Interracial Home Visit Day, a "Coffee Klatsch" co-sponsored by local Catholic, Jewish and Protestant groups in an effort to eliminate racial bigotry and hate. 
Meaning of the word marked with <WSD> tags:  Relating to the black ethnicity.