What happened to Chinese laborers who had helped work on the railroad, after the construction was complete?
A. Many were welcomed as valuable citizens by Washington's white residents
B. Many became drifters, traveling and seeing work
C. Many went home to China
D. Many found good-paying jobs elsewhere

My best answer is the haudenosaunnee or the iroquois.

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