"Caste is a form of social stratification characterized by endogamy, hereditary transmission of a style of life which often includes an occupation, ritual status in a hierarchy, and customary social interaction and exclusion based on cultural notions of purity and pollution. Its paradigmatic ethnographic example is the division of India´s Hindu society into rigid social groups, with roots in India´s ancient history and persisting to the present time. However, the economic significance of the caste system in India has been declining as a result of urbanization and affirmative action programs. A subject of much scholarship by sociologists and anthropologists, the Hindu caste system is sometimes used as an analogical basis for the study of caste-like social divisions existing outside Hinduism and India. The term "caste" is also applied to morphological groupings in female populations of ants and bees." - (en.wikipedia.org 18.09.2020)
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