<P> Article I, Section 8, Clause 11 of the United States Constitution, sometimes referred to as the War Powers Clause, vests in the Congress the power to declare war, in the following wording: </P> <Dl> <Dd> (The Congress shall have Power ...) To declare War, grant Letters of Marque and Reprisal, and make Rules concerning Captures on Land and Water; </Dd> </Dl> <Dd> (The Congress shall have Power ...) To declare War, grant Letters of Marque and Reprisal, and make Rules concerning Captures on Land and Water; </Dd> <P> A number of wars have been declared under the United States Constitution, although there is some controversy as to the exact number, as the Constitution does not specify the form of such a declaration . </P>

What does the us constitution say about war