Answer:
1) Along with the invasion of the Gorkha he wanted to protect it from the Gorkha troops, so he started to unify the small kingdoms into a single country.
2) One year after becoming King, in 1744 CE, he attacked Nuwakot, but was repelled because the Gorkha army was not well equipped
3) lack of geographical knowledge and trained soldiers.
4) After the defeat with Nuwakot Gorkhali got the following lessons. there should be co-ordinations between the commanders of battalians.
Explanation: