Officially, only Congress can declare war. If the President sends troops to Another Country without a declaration of war, the president is using his executive power as Commander-in-Chief of the nation's military.
The President of the United States uses the Executive power to declare war and send troops. He must have Congressional approval to do that according to the War Powers Act. See related link below for a full explanation.
Expressed Powers...... o.O
Commander in chief
I believe all presidents have used consumer in chief powers because that is what a president is... a commander in chief.
Serving as commander-in-chief of the armed forces.
Serving as commander-in-chief of the armed forces.
The Constitution's division of powers leaves the President with some exclusive powers as Commander-in-Chief, Congress with certain other exclusive powers, and a sort of "twilight zone" of concurrent powers. Congress also has the power to limit the powers of the President.The Constitution describes the powers of Congress more than those of the president because initially Congress was supposed to rule the country while the president didn't do much.
The Constitution gives several exclusive powers to the President. One of these is his role as Commander-in-Chief of the armed forces. Another power is the appointment of ambassadors, federal judges including the Supreme Court. He also holds the power to veto legislation.
Eisenhower
The President has express powers under Article II of the US Constitution. They are that the President is the Commander in Chief of the US Military and the power to take care that the laws of the US be faithfully executed.
fack
The Constitution does not assign all war powers to the President. In order to prevent unnecessary wars, the Congress and President each have unique war powers. War is declared by Congress, but the President is Commander in Chief and makes decisions in the war.
The President of the United States (Commander in Chief) was further restricted by congress; with war powers act(s).