What has been a disadvantage of the formation of economic unions? A)They have led to the replacement of family farms by agribusinesses. B) They have given access to more resources without trade restrictions. C)They have more of an influence on the world market. D) They have led to the creation of more efficient industries.​

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