Upon the death of a president, the vice president assumes the powers and duties of the presidency, but technically does not become president

the answer is c.

i hope this .

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.