One of the main goals of annexation is:
Expansion
What is Annexation?
This refers to the acquisition of a state territory by another country and which
usually leads to the conversion of the territory into a state.
Hawaii Annexation
The events of the Spanish-American War in 1898 led to the use of some strategic
locations such as the air base in Pearl Harbor which prompted American legislators to formally annex Hawaii and make it the 50th state in the year 1959.