Help me please ?thank you

Ayo the screen black, there's no question

i think you may have asked this twice, but i answered one of the

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.