1. Fill in the missing words by Adam Smith:
"In every country, it is always and must be in the interest of the great body of people to
whatever they want of those who sell it

“In every country it always is and must be in the interest of the great body of the people to buy whatever they want of those who sell it cheapest.

answer is b.

  it is always the best policy to have good communication and good relations between individuals and, specially, between leaders of the countries. for this purpose, among others, there is a common place, the united nations, where the representants can present his and learn about the other country's policies.