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France
It was in the 1800's. I learned about it 2 or 1 month ago. They bought it after Meriwether Lewis and William Clark discovered the Oregon Country. It included Idaho, Oregon[of course], Part of Montana, and Washington. -In 1819, Oregon was claimed by four nations-Russia, Spain, Great Britain and the United States. Spain was first to drop out of the claim, then Russia agreed to limit it's claim to the 54 degree 40' parallel of latitude, which is today's southern border of Alaska. In 1825, Britain and the United States agreed to a peaceful "joint occupation" of Oregon. In 1846, after a change in government, the United States made a treaty with Great Britain. They agreed to split Oregon Country in half, on the 49th parallel, which is now the northern border of Washington, Idaho, and Montana.
Britain and the U.S. agreed to form a joint commission to resolve boundary disputes. One result of that agreement was the Treaty of Joint Occupation of Oregon, signed on October 20, 1818.
Both were interested in the valuable fur trade in the Oregon Country
both Countries wanted the rich farmland in a mild climate and the natural harbors of Puget sound
Great Britain and the United States.
At the Yalta Conference, Winston Churchill, Franklin Roosevelt, and Joseph Stalin agreed that all of the countries liberated from Nazi occupation should be granted free elections. Sadly, Stalin did not honor his promise and occupied the Eastern European countries that he liberated.
They both wanted the fur trade in Oregon Country (area Northwest of Rockies, where Oregon and Washington state is now, disputed by Britain and US).
Britain
be divided into four occupation zones
In 1818, the two countries agreed to joint occupancy of the area west of the Rocky Mountains, which lasted until 1846, when the Oregon Treaty divided the lands along the 49th parallel.
Spain, England and France. After the Soledad Preliminaries, both England and Spain departed but France tried to conquer Mexico.