Which of the following best describes a situation where an oligopoly exists

Protecting and assisting  u.s. citizens  living or traveling abroad; assisting u.s.  businesses  in the international marketplace; coordinating and providing support for international activities of other u.s. agencies (local, state, or federal government), official visits overseas and at home, and other diplomatic efforts.keeping the public informed about u.s. foreign policy and relations with other countries and providing feedback from the public to administration officials.providing  automobile registration  for non-diplomatic staff vehicles and the vehicles of diplomats of foreign countries having  diplomatic immunity  in the united states

The bomb should have been used on japan: sense of revenge.. and to finish the war as japan wasn't ready to.the bomb shouldn't have been used on japan: killed many people in that city and unjust