Explain how civilians supported the war
effort in the colonies.

to keep us neatruel and not get involved in any wars

he assumed control of treaty negotiations with a hostile power

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.