How does rule of law protect citizens from arbitrary and abuse use of government power?

bibliography and citations to credit the sources hope this you if not my deepest of apologize ^w^

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: