During the medieval period, Sikkim’s mountainous terrain played a role in:

Shaping its defensive strategies and warfare
Limiting the expansion of neighboring kingdoms
Isolating it from some external influences
All of the above

The correct answer is: d) All of the above

Sikkim is a mountainous region in the Himalayas, and its geography has played a significant role in its history. The mountains have made it difficult for invaders to reach Sikkim, and they have also helped to isolate the region from outside influences. This isolation has allowed Sikkim to develop its own unique culture and traditions.

The mountains have also shaped Sikkim’s defensive strategies and warfare. The people of Sikkim have long been skilled in mountain warfare, and they have used the mountains to their advantage in defending their homeland. The mountains have also made it difficult for neighboring kingdoms to expand into Sikkim, and they have helped to keep the region independent for centuries.

In conclusion, the mountainous terrain of Sikkim has played a significant role in the region’s history. The mountains have helped to isolate Sikkim from outside influences, and they have shaped the region’s defensive strategies and warfare.