Question

What most affected the agreement between the United States and Great

Answer 1

Both countries had trouble controlling their settlers in the disputed

area thus it affected the treaty oregon agreement between us and great britain.

Explanation:

• The Oregon treaty is agreement  between US and great britain signed in Washington DC dated 15 June 1846.
• This treaty was signed in order to establish 49th parallel primary international boundary on the northwest of pacific.  
• Both Britain and we believed that they had a prior historical claim of Columbia river but after many references to the documents there existed a dispute between us and Britain. But both were not willing to get into the war. Thus the US senate lend the hand for the compromise thus the final treaty signed on 15 June and ratified on 19 June 1846.