Article VI [Rights denied the States]
No State, without the consent of the united States, in congress assembled, shall send any embassy to, or receive any embassy from, or enter into any conferrence, agreement, alliance, or treaty, with any King, prince or State; nor shall any person holding any office of profit or trust under the united States, or any of them, accept of any present, emolument, office, or title of any kind whatever, from any king, prince, or foreign State; nor shall the united States, in congress assembled, or any of them, grant any title of nobility.
No two or more States shall enter into any treaty, confederation, or alliance whatever, between them, without the consent of the united States, in Congress assembled, specifying accurately the purposes for which the same is to be entered into, and how long it shall continue.
No State shall lay any imposts or duties, which may inter-fere with any stipulations in treaties, entered into by the united States, in congress assembled, with any king, prince, or State, in pursuance of any treaties already proposed by congress to the courts of France and Spain.
No vessels of war shall be kept up in time of peace, by any State, except such number only as shall be deemed necessary by the united States, in congress assembled, for the defence of such State, or its trade; nor shall any body of forces be kept up, by any State, in time of peace, except such number only as, in the judgment of the united States, in congress assembled, shall be deemed requisite to garrison the forts necessary for the defence of such State; but every State shall always keep up a well-regulated and disciplined militia, sufficiently armed and accounted, and shall provide and constantly have ready for use, in public stores, a due number of field-pieces and tents, and a proper quantity of arms, ammunition, and camp equipage.
No State shall engage in any war without the consent of the united States, in congress assembled, unless such State be actually invaded by enemies, or shall have received certain advice of a resolution being formed by some nation of Indians to invade such State, and the danger is so immi-nent as not to admit of a delay till the united States, in congress assembled, can be consulted; nor shall any State grant commissions to any ships or vessels of war, nor letters of marque or reprisal, except it be after a declaration of war by the united States, in congress assembled, and then only against the kingdom or State, and the subjects thereof, against which war has been so declared, and under such regulations as shall be established by the united States, in congress assembled, unless such State be infested by pirates, in which case vessels of war may be fitted out for that occasion, and kept so long as the danger shall continue, or until the united States, in congress assembled, shall determine otherwise.