The correct answer is: All of the above.
The 1962 Sino-Indian War was a war between the People’s Republic of China and the Republic of India. The war was fought over the disputed border between the two countries, and it resulted in a decisive Chinese victory. The war had a significant impact on Arunachal Pradesh, a state in northeastern India.
The war caused the displacement of thousands of people in Arunachal Pradesh. Many people were forced to flee their homes as the Chinese army advanced. The war also caused significant damage to infrastructure in Arunachal Pradesh. Bridges, roads, and other infrastructure were destroyed during the fighting. The war also heightened border tensions between India and China. The war led to a buildup of troops on both sides of the border, and it has made it difficult for the two countries to resolve their border dispute.
The 1962 Sino-Indian War was a major event in the history of Arunachal Pradesh. The war had a significant impact on the state, and it continues to be felt today.