Hey guys! I need some help.
List 3 effects of the Louisiana Purchase.

The purchase 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:

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,

answer; the automatic system because it is a "gut reactor"