Why did the Spiro people move out of Oklahoma?

Probably because they were forced to.

Explanation:

They were forced to moved out because after the Louisiana purchase people started moving west mostly the south after civil war

s the president shall be commander in chief of the army and navy of the united states, and of the militia of the several states, when called into the actual service of the united states; he may require the opinion, in writing, of the principal officer in each of the executive departments. sooo yeahhh

explanation:

the answer is c.

i hope this .