How did empires relate to nation state

Empires and nation-states are generally opposed to each other, as contrasting and antithetical forms. Nationalism is widely held to have been the solvent that dissolved the historic European empires. This paper argues that there are in fact, in practice at least, significant similarities between nation-states and empires. Many nation-states are in effect empires in miniature. Similarly, many empires can be seen as nation-states “writ large.

Explanation:

d.summerains, the last one

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.