He united states had never experienced a war like the civil war. what were some of the lasting impacts of the war?

The Division of Virginia – In 1863, citizens in the western portions of Virginia, who opposed secession, petitioned the U.S. Government for statehood. West Virginia became the 35th state on June 20th, 1863. 

Ended slavery 

Created a boom in industrialization 

Dismantled the aristocratic system in the South

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