Workers, peasants, and tribal movements in Arunachal Pradesh have contributed to:

The correct answer is: d) All of the above

Workers, peasants, and tribal movements in Arunachal Pradesh have contributed to raising awareness about social issues, policy changes, and protection of rights.

• Raising awareness about social issues: Workers, peasants, and tribal movements have raised awareness about social issues such as poverty, inequality, and discrimination. They have done this through protests, demonstrations, and other forms of activism.
• Policy changes: Workers, peasants, and tribal movements have also been successful in bringing about policy changes. For example, they have been successful in getting the government to pass laws that protect the rights of workers, peasants, and tribal people.
• Protection of rights: Workers, peasants, and tribal movements have also been successful in protecting the rights of workers, peasants, and tribal people. They have done this by providing legal assistance, education, and other forms of support.

Overall, workers, peasants, and tribal movements in Arunachal Pradesh have made a significant contribution to the state. They have raised awareness about social issues, brought about policy changes, and protected the rights of workers, peasants, and tribal people.