As a result of World War I, what happened to the federal government in the United States? The scope of its power increased.
The scope of its power decreased.
It grew increasingly more isolationist.
The people lost trust in its ability to keep America out of war.

No clue what is the answer

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