Answer:
The correct answer is a) Tribes.
Step-by-step explanation:
The Celts existed since the times that the Roman Empire tried to rule Britain, by not having this successful attack, the Celts organized and settled in Britain. Its political structure was managed through tribes with a chief as the leader.
At present, the Celtic tribes are characterized by continuing to maintain the Celtic language and customs; its population remains part of Ireland, Wales, and Scotland.
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