The style of folk dances can vary across tribes in Arunachal Pradesh, reflecting:

The correct answer is: d) All of the above

The style of folk dances can vary across tribes in Arunachal Pradesh, reflecting unique cultural identities, geographical influences, and historical traditions.

• Unique cultural identities: Each tribe in Arunachal Pradesh has its own unique culture, which is reflected in its folk dances. For example, the Apatani tribe is known for its colorful and energetic dances, while the Monpa tribe is known for its more subdued and graceful dances.
• Geographical influences: The geography of Arunachal Pradesh is also a major influence on the style of folk dances. The state is located in the Himalayas, and its mountainous terrain has led to the development of dances that are often acrobatic and vigorous.
• Historical traditions: The history of Arunachal Pradesh is also reflected in its folk dances. The state has been invaded by many different groups over the centuries, and these invasions have left their mark on the culture and traditions of the people. This is evident in the dances, which often tell stories of battles and conquests.

In conclusion, the style of folk dances can vary across tribes in Arunachal Pradesh, reflecting unique cultural identities, geographical influences, and historical traditions.