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resin dropped from ancient pine trees and hardened
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Romans pushed the Celts into germany and Romans gained control of some major sources of amber.
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The Celts defeated the Romans and traded amber in places where the amber road went through their territory.
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The Greek, Thales of Miletus, discovered that amber, when rubbed with woolen cloth, attracts small bits of things like straw.
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The Order of Teutonic Knights kept control of the amber trade routes
