It is difficult to imagine a durable union of a people which is rich and strong with one which is poor and weak, even if it were proved that the strength and wealth of the one are not the causes of the weakness and poverty of the other. But union is still more difficult to maintain at a time at which one party is losing strength, and the other is gaining it. This rapid and disproportionate increase of certain States threatens the independence of the others. New York might perhaps succeed, with its 2,000,000 of inhabitants and its forty representatives, in dictating to the other States in Congress. But even if the more powerful States make no attempt to bear down the lesser ones, the danger still exists; for there is almost as much in the possibility of the act as in the act itself. The weak generally mistrust the justice and the reason of the strong. The States which increase less rapidly than the others look upon those which are more favored by fortune with envy and suspicion. Hence arise the deep-seated uneasiness and ill-defined agitation which are observable in the South, and which form so striking a contrast to the confidence and prosperity which are common to other parts of the union. I am inclined to think that the hostile measures taken by the Southern provinces upon a recent occasion are attributable to no other cause. The inhabitants of the Southern States are, of all the Americans, those who are most interest............