Guam remains a US Territory acquired in the Spanish American War.
The US acquired the territory of Florida from Spain ceding it to the US.
Puerto Rice
what borders did the United States gain when it acquired this territory in 1776
The Soverign American Embassy Territory of the US in Tehran, Iran was siezed, and occupied by Iran and Iranian militants on 4 Novemer 1969.
It was acquired after the Revolution when the United States got all the land from the Atlantic Ocean to the Mississippi. They also got land from the Louisiana purchase and from the war against Mexico.
Louisiana purchase
Oregon
Puerto Rico officially became a US territory in 1898 when the US acquired it from Spain after the Spanish-American War.
in 1846, Britain agreed for the US to take control of this territory.
K12 says the answer is Guam.
Hawaii