Which nations claimed the oregon country? how did john quincy adams resolve the claims?

There were several nations who sought to claim the territory such Americans, British, French and Spanish.  John Quincy Adams resolved this through the Treaty of 1818 where the boarder of the United States and Canada was established at the 49th Parallel.  

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.