The intolerance of those days took many forms. Almost inevitably it took the form of an ugly flare-up of feeling against the Negro, the Jew, and the Roman Catholic. The emotions of group loyalty and of hatred, expanded during war-time and then suddenly denied their intended expression, found a perverted release in the persecution not only of supposed radicals, but also of other elements which to the dominant American group—the white Protestants—seemed alien or “un-American.”
