"Seward's Folly"
The Hawaiian Territory was more valuable than the Alaskan Territory.
Alaska
Wyoming was a US territory from July 25, 1868, until July 10, 1890, when it became the US state of Wyoming.
"Admission." States are admitted to the Union. Territories can be annexed (e.g. Hawai'i Territory) or purchased (e.g. Louisiana Territory) or ceded (e.g. Mexican Cession).
The organized incorporated US Territory of Wyoming existed from July 25, 1868, until July 10, 1890 when Wyoming was admitted to the union as a US state.
No, the last territory acquired by the United States was not the Oregon Territory. The Oregon Territory was acquired in 1846 through a treaty with Great Britain. The final addition to U.S. territory was the purchase of Alaska from Russia in 1867.
Alaska was discovered in 1728 by Vitus Bering. He established a settlement in 1741. It was purchased from Russia in 1868 and was made a US Territory in 1912. It became a US State in 1959.
The Louisiana Territory which is most often called the Louisiana Purchase.
Its called a US Commonwealth. Its like a state in many ways but remains a US Territory.
Oklahoma
amendment
The Louisiana Purchase in 1803, in which the US bought land the French claimed in central North America.