Why do you think mexico's president refused to meet
n the special u. s. envoy sent to talk about purchasing california?

do u have any answer choices?

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.