Question 1- There are a few merits of roadways. Road ways is the swift and efficient means of transportation which provides door to door services, construction and maintenance of roads is cheaper as compared to other means of transport, a well developed road transport system reduces the social, political and economic distances among the people of different cultural backgrounds
Question 2- Rail transport is the most convenient means of transportation in the Northern plain, because these plains are densely populated, rich in agriculture resources and construction of railways is easy due to gentle slope of the land.
Question 3- In 1960, Border Road Organization (BRO) was established to maintain and construct border roads.
Significance: a) These roads have improved accessibility in border areas or areas having difficult terrain.
b) They helped in, the economic development of these areas.
Question 4- Trade refers to exchange of goods among the people, states and countries. The difference between International and Local Trade is that international trade is carried out between two or more countries while local trade is carried in between the cities, towns and villages at state level or between the different states of a country.
Hope this helps!!