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 imminent 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