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 interfere 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