Page:Joseph Story, Commentaries on the Constitution of the United States (1st ed, 1833, vol III).djvu/544

 536 conflict of their laws, and the most serious dangers of perpetual controversies with foreign nations. In short, the peace of the Union would be constantly put at hazard by acts, over which it had no control; and by assertions of right, which it might wholly disclaim.

§ 1668. The next clause extends the judicial power "to controversies, to which the United States shall be a party." It scarcely seems possible to raise a