Which phrase best completes this list? Results of the Louisiana Purchase
United States doubles in size
American control of the Mississippi River
?
A. Water route to the Pacific Ocean
B. U. S. expansion into Canada
C. Successful treaties signed with American Indian tribes
D. American settlement in the West
SUBMIT

Why were presidents andrew jackson and martin van buren unwilling to annex texas? a. they did not want texas to be admitted to the union as a slave state. b. they feared that the annexation of texas as a slave state would lead to political problems within the union. c. they thought that texas was too large to be admitted to the union as one state. d. they did not believe in the idea of manifest destiny.