What is the primary mission of the united nations?
a. to develop advanced weapons technology
b. to preserve international peace through discussion
c. to alienate rogue and aggressive nations
d. to promote international development and trade

Which event to improve foreign relations between the united states and china? a. president truman's announcement of u.s. involvement in the "police action" in south korea in 1950 b. president carter's recognition of taiwan in 1979 c. president nixon's escalation of the vietnam war in laos and cambodia in 1973 d. president clinton's proposal to allow china to join the world trade organization (wto) in 1995