With the Louisiana purchase, he bought it knowing it was against his principles because it was too good to decline. (it doubled the size of America)
The answer to this question is letter c
DACA: is called Deferred Action for Childhood Arrivals. The DACA was a new policy<span> calling for deferred action for certain undocumented young people who came to the U.S. as children. Hope that helps and have a good day.</span>