An effect of the lewis and clark expedition on us business was that it found a location for a national bank. located important routes for trade and travel. brought back specimens of natural discoveries. found a water route across the continent.

22222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222

i believe the answer is d.

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.