Baro-Bhuyan

The Baro-Bhuyans were warrior chiefs and landlords (zamindars) of medieval Assam and Bengal who maintained a loose independent confederacy. In times of aggression by external powers, they generally cooperated in defending and expelling the aggressor. In times of peace, they maintained their respective sovereignty. In the presence of a strong king,
Found on http://en.wikipedia.org/wiki/Baro-Bhuyan
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