How did herbert hoover try to improve economic conditions?

a. through stock market rewards
b. through sporting events
c. through federal economic programs
d. through employment fairs

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.