List the four nations that claimed the oregon country.

1. Great Britain
2.Russia
3.Spain
4. France
"The Spanish claim was later taken up by the United States "
-Quora

“destroyers for bases agreement in the destroyers for bases agreement between the united states and the united kingdom on september 2, 1940, fifty caldwell , wickes, and clemson class us navy destroyers were transferred to the toyalbnavy from the united states navy in exchange for land rights on british possessions.” i hope this you .