France and the british
France and England controlled much of Canada.
oregon
It was owned by the Indians, but controlled by the Spaniards.
No, the Dakota Territory was never listed as a slave area due to passage in 1820 of the Missouri Compromise which stated that slavery was prohibited in states in the former Louisiana Territory north of the parallel 36°30′ north except within the boundaries of the proposed state of Missouri. And then the 13th Amendment to the US Constitution, ratified in 1865, abolished slavery throughout the US.
the Spanish
North Vietnam was controlled by communists.
north America
The Louisiana Purchase in 1803 nearly doubled the size of the territory controlled by the US in North America. It represents 23% of the current total area of the US, and 27% of the area of the contiguous 48 states.
North Dakota was not "built". It was established as a US Territory and then became a US state.
No, the island of Bora Bora is a territory owned by the French. It operates as its own independent state and is a territory of the French.
North America is large enough for the US to fit within its boundaries.
Finland