How did the Louisiana purchase affect the united states

Question

a. it led to war between the united states and Mexico ****

b. decreased the size of the united states

c. it provided alternative trading routes across the country

d. it passed the Indian removal act

I believe it's A I remember reading something like that.

Answer 1

But you need to remember how...https://www.pbs.org/kera/usmexicanwar/prelude/md_boundary_disputes.html

Answer 2

it was C.....