Final answer:
Dynastic rule is used to rule the Karnali region, Gandaki region, and Kathmandu Valley for historical and cultural reasons. Different dynasties have played an important role in shaping the political, social, and cultural landscapes of these regions.
Step-by-step explanation:
A dynasty is used to rule the Karnali region, Gandaki region, and Kathmandu Valley for historical and cultural reasons. In Nepal, dynastic rule has been prevalent throughout history, with different dynasties ruling different regions of the country. These dynasties have played an important role in shaping the political, social, and cultural landscapes of the regions they ruled.
For example, the Malla dynasty ruled over the Kathmandu Valley and played a significant role in promoting art, architecture, and culture in the region. Similarly, the Shah dynasty, which ruled over Nepal as a whole, including the Karnali and Gandaki regions, had a profound impact on the country's history and development.
Dynastic rule provided stability and continuity of governance in these regions, and the rulers often had a strong connection with the local population, which helped in maintaining their legitimacy and support