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mostly the nomadic people got the authority by wisdom and experience.
For a comprehensive list of some Aboriginal tribal group names, go to: http://en.wikipedia.org/wiki/List_of_Indigenous_Australian_group_names
Much like the Native American Indians of North America. Aborigine people of Australia miagrated there via micronesia.
Group culture is the commonly shared values and expected behaviors of a group of any kind and any size. National culture, corporate culture, religious culture, or ethnic culture are examples. Therefore, an individual may find they are interacting in multiple cultures at the same time, which can lead to conflicts.
high culture
culture
Individual culture is a culture that values the individual over the group. This contrasts with a collectivist culture, which values the individual only with respect to their contribution to a certain social group.
leaders group
culture
Eastern Woodlands culture.
culture
Ethnic Group