Blasting tunnels through mountains -Building bridges across rivers

-Leveling hills and filling in hollows

These environmental modifications were made in order to construct-

permanent housing for immigrants in urban areas
permanent housing for immigrants in urban areas

canals that linked the Midwest to the Northeast
canals that linked the Midwest to the Northeast

a transcontinental railroad
a transcontinental railroad

a harbor on the Mississippi River

Divide each number then subtract

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

Ithink b hope that