The Primary Reason That the British Government Decided to Compromise

The primary reason that the British government decided to compromise with the United States on the Oregon Country border was

A) the support of the Hudson's Bay Company.
B) the British government's belief that the Oregon Country was neither politically nor economically critical to British foreign policy interests.
C) John Tyler's election to the presidency.
D) America's acceptance of 54° 40'.
E) the threat posed to British Columbia by an alliance of Indians and French traders and pioneers.