One or two ans are enough for me.

Due to land locked country, Nepal having difficulty in trade with other countries.

Explanation:

Sea is very important for a country especially for trade with other countries. Nepal is a landlock country means land is present on all four sides and there is no ocean or sea which allow Nepal to trade with other countries. ''Nepal is not only landlocked but also India locked'' means that Nepal is land locked country as well as surrounded by India from the south side so Nepal depend on India for their trade.

the answer is       political office  

hope this .

the answer is d. amendments.