Answer:
The Correct Answer is Oregon Boundary Dispute
Step-by-step explanation:
- Canada A Country by Assent: Road to Confederation: Oregon Border Dispute of 1846.
- An elder treaty had settled the boundary between the United States of America and Canada at the parallel of 49th, but just to the Rocky Mountains but not the west of it.
- West of the Rockies was unclear and collectively controlled by the British and Americans.