The correct answer is: All of the above.
The Ahom Kingdom was a powerful kingdom that ruled over Assam from the 13th to the 19th centuries. The kingdom had complex relationships with the tribes in Arunachal Pradesh, which included trade, alliances, and conflict.
Trade was an important part of the relationship between the Ahom Kingdom and the tribes in Arunachal Pradesh. The Ahoms traded goods such as textiles, salt, and iron with the tribes, who in turn traded goods such as timber, ivory, and animal skins.
Alliances were also important in the relationship between the Ahom Kingdom and the tribes in Arunachal Pradesh. The Ahoms often allied themselves with the tribes against their common enemies, such as the Mughal Empire.
Conflict was also a part of the relationship between the Ahom Kingdom and the tribes in Arunachal Pradesh. The Ahoms sometimes fought with the tribes over territory or resources.
Overall, the relationship between the Ahom Kingdom and the tribes in Arunachal Pradesh was complex and multifaceted. It included trade, alliances, and conflict.