Why is the process of social categorisation based on patterns of similarity and difference?

	A.	To encourage individuals to focus on the unique qualities of others.
	B.	To simplify and organise the social world by distinguishing between group members and non-members.
	C.	To create clear-cut categorical boundaries in all social contexts.
	D.	To minimise the importance of contextual and cultural factors in categorisation.
	E.	All options are correct