It would help if you could be more specific about what you mean with "origin tribes" - do you mean prehistoric cultures like the Funnel Beaker Culture, ancient peoples like the Etruscans or the Thracians, or the states of Europe before the onset of modern globalisation? What stage of history is your assignment about?

Did your teacher give you any kind of timeframe or era? "Before globalization" includes about 99% of the human experience.

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