Antarctica
What country first explored Ohio, and claimed it as a territory
The Falkland Islands are a British territory traditionally claimed by Argentina.
Germany
The United States, Great Britain, Spain, and Russia claimed the Oregon territory, in other words, the Oregon Country.
You're probably thinking of the Falkland Islands, which are a territory of the United Kingdom, and whose dominion is also claimed by Argentina.
The United States, Great Britain, Spain, and Russia claimed the Oregon territory, in other words, the Oregon Country.
New England
It is a French Territory. It is claimed by Mauritius and the Seychelles.
England claimed the least land in north America in 1783
Canada is a country in North America.
Spain