(i) When one social difference overlaps another difference, it is known as overlapping of social differences.
(ii) Overlapping of social differences between Blacks and Whites became a social division in the United States. These differences became the main factor for the Black Power Militant Movement.
(iii) Even in India, Dalits face discrimination and injustice. These kinds of situations produce social divisions which are harmful for democracy and weaken the basic foundation of democracy.