"Most of the American laws defining race are not to be compared with those once enforced by Nazi Germany, the latter being relatively more liberal. In the view of the Nazis, persons having less than one fourth Jewish blood could qualify as Aryans, whereas many of the American laws specify that persons having one-eighth, one-sixteenth, or 'any ascertainable' Negro blood are Negroes in the eyes of the law and subject to all restrictions governing the conduct of Negroes."