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This paper summarizes current understanding of the emergence, nature and subsequent southwestern and southeastern spread of the Early Transcaucasian (ETC) or Kura-Araxes 'culture-historical community' (Russian: obshchnost') and then places this complex cultural phenomenon in the context of the larger Early Bronze Age world of the Ancient Near East and the western Eurasian steppes.
Philip L. Kohl (Fri,) studied this question.