The US acquired the territory of Florida from Spain ceding it to the US.
what borders did the United States gain when it acquired this territory in 1776
Oregon
in 1846, Britain agreed for the US to take control of this territory.
Hawaii
The Louisiana Territory which is most often called the Louisiana Purchase.
Often as the result of armed conflict.
Mexico
The Philippines.
Guam remains a US Territory acquired in the Spanish American War.
Great Britain
True.