Final answer:
The Celts, the earliest inhabitants of Britain, practiced a warrior society, engaged in trade and raiding with neighboring communities, and followed a variation of feudal law. They expanded across Europe and adopted technologies from the Mediterranean. Later, they were conquered by the Romans and assimilated into Roman culture.
Step-by-step explanation:
The earliest inhabitants of Britain, known as the Celts, practiced a warrior society and engaged in trade and raiding with their neighbors. They followed a variation of feudal law, where offenses demanded retribution through violence or payment. The Celts expanded across Europe and adopted technologies like chariot warfare and currency. They were eventually conquered and assimilated by the Romans, who regarded them as barbarians capable of adopting Roman civilization.
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