Both Jefferson Davis and Abraham Lincoln officially began their terms as president by giving inaugural addresses to their nations.
reading from the US Constitution.
attending each other’s inaugural addresses.
declaring themselves co-presidents.

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:

i beleive its 1)aids