Answer:
Some of the very powerful states were Achham, Jajarkot, Jumla 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.
Explanation:
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By carving symbols into walls of pyramids and/or caves
