Your too young sorry dude
D. Air pollution is not as much of a problem there
Answer:
Some of the important states were Gorkha, Lamjung, Nuwakot etc. Kathmandu was a single political unit during the early period of Malla rule but after the end of the Yakshya Malla, it was divided into three states, namely Kantipur, Patan, and Bhadgaon.