The correct answer is: d) All of the above.
Rabdentse was the second capital of Sikkim, and it was built in the 17th century. The ruins of Rabdentse offer insights into the kingdom’s military fortifications, palace architecture, and religious practices.
The military fortifications at Rabdentse were impressive. The city was surrounded by a wall with towers, and there were also moats and other defenses. The palace architecture at Rabdentse was also very impressive. The palace was built on a hilltop, and it had many beautiful buildings. The religious practices of the people of Sikkim were also evident at Rabdentse. There are many temples and monasteries in the ruins of the city, and these provide evidence of the religious beliefs of the people.
Overall, the ruins of Rabdentse offer a fascinating glimpse into the history and culture of Sikkim. They are a valuable resource for historians and archaeologists, and they are also a popular tourist destination.