<span>-Thurgood Marshall was the grandson of a slave -</span><span>One of Marshall's first major experiences of prejudice in American society was when the University of Maryland rejected his application due to race -</span>Marshall argued that not only did separate schools cause unequal school conditions, but it also caused a feeling of humiliation and low self-worth in black children. M<span>any lawmakers opposed this ruling and his part in arguing for it.