What did farmers gain access to after the Louisiana Purchase was completed? new options for crops & more enslaved people
the Mississippi River and new land for farming
more enslaved people and the Erie Canal
the Erie Canal and new options for crops

The Louisiana Purchase eventually doubled the size of the United States, greatly strengthened the country materially and strategically, provided a powerful impetus to westward expansion, and confirmed the doctrine of implied powers of the federal Constitution.

Explanation:

answer: they’re different

explanation: different people

a. by accepting the election of president abraham lincoln in 1860 and convincing other southern states to do the same