" For a State or union of States to attack with military force another State, is to make war. By the Constitution, the power to make war is given solely to Congress. "Congress shall have power to declare war," says the Constitution. 171 And, again, "to raise and support armies." 172 Thus, under a perverted use of language, the Executive at Washington did that which he undeniably had no power to do, under a faithful observance of the Constitution "

― Jefferson Davis , The Rise and Fall of the Confederate Government