The answer is A.thank you in brain
Explanation:
As Anglo-Nepal War went against Nepal, Nepal had to Sign the Sugauli Treaty with English people. Grieved with this incident, Ambar Singh Thapa went to Gosainkunda for ascetism, voluntarily retired and died on a pilgrimage to Gosaikunda.
Have a great day.
Europeans, because dominated any land they could touch in the 1800's and even today.