The President can not spend money unless Congress appropriates it. The President can only ask Congress for what he wants. In the case of armies he might try to scare Congress into action by pointing out threats to national security. He has access to vast amounts of intelligence information which he can use to back up his requests.
the president can declare war with the consent of congress..................
Supreme Court Judges with the consent of congress
with the consent of Congress
The President is Commander in Chief. Congress can advise and consent.
Congress must also consent to the treaty.
The President of the U.S. with the consent of the Congress.
The president 's choice (subject to the consent of both Houses of Congress)
The other functions are to advise and consent the president.
Consent of the residents. Consent of the US Congress. The signature if the US President.
The president and congress make the final decision as to where troops are deployed. The president has a 90 day window where he can deploy troops without congress consent but after that congress must approve of the deployment. I'm drunk right now.
Unilateral powers give the president the ability to create lawful policies without the consent of Congress.
The President cannot unilaterally declare war without the consent of Congress. The President has to present evidence to Congress that a war would be necessary and legal. Thus Congress acts to check the President's power.