During the middle ages, merchants, artisans, and their guilds contributed to the

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others  

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.