war power, n.All

The War power (n.) passed ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠from Congress to the President by precedent: he has only to declare that war exists, and war is in effect declared.