If leaders wanted to create a government that is more effective than the government under the articles of confederation, which is the most important idea that should be embraced?

d. the right to establish a one-house legislature

b or c im pretty sure

i see, would you mind putting it as one?

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.