Which shows a major change from early settlements to complex societies? The trade or barter system disappeared under the growth of complex societies.
Animism became the main religious practice as villages became complex societies.
Specialized skilled workers became obsolete as complex societies grew and traded with neighbors.
O Clan or family leadership evolved to village or town leadership, which made laws and maintained order.

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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