5. How did the US become involved in the Korean conflict?

Communist China joined North Korea in the war in November 1950, unleashing a massive Chinese ground attack against American forces.

Explanation:

the western roman empire flourished, but the eastern portion of the empire struggled.

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.