Which of the following is a check on the power of the judicial branch? The president overturns a Supreme Court ruling.
The House of Representatives impeaches a justice.
The Senate nominates judges for the Supreme Court.
The Congress rejects a ruling by the Supreme Court.

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.