How do you call the action of incorporate a territory into an existing political unit such as a ctiy or countr

Question

To incorporate territory into existing political unit such as a city or a country.
All of this was in the era of New Imperialism (1800-1914)

Answer 1

Annexation 1annex
Pronunciation:*-*neks, *a-*neks
Function:transitive verb
Etymology:Middle English, from Middle French annexer, from Old French, from annexe joined, from Latin annexus, past participle of annectere to bind to, from ad- + nectere to bind
Date:14th century

1 : to attach as a quality, consequence, or condition
2 archaic : to join together materially : UNITE
3 : to add to something earlier, larger, or more important
4 : to incorporate (a country or other territory) within the domain of a state
5 : to obtain or take for oneself
–annexation \*a-*nek-*s*-sh*n\ noun
–annexational \-shn*l, -sh*-n*l\ adjective
–annexationist \-sh(*-)nist\ noun

Answer 2

It's called "annexation" (to "annex"). It usually involves agreement between both units and usually benefits both parties. For example, the city will now have a broader tax base and the part being annexed will now have the city repair its streets.

Answer 3

ANNEXATION!!