Pioneers traveled the 2,000 mile oregon trail west in search of?

he impacted the society ith his knowwdge and advance our research by years to come

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.