The public affairs of the union are spread throughout a very extensive region, and are extremely diversified by the local affairs connected with them, and can with difficulty be learnt in any other place, than in the central councils, to which a knowledge of them will be brought by the representatives of every part of the empire. Yet some knowledge of the affairs, and even of the laws of all the states, ought to be possessed by the members from each of the states.
Alexander Hamilton, James Madison, John Jay (2012). “Selected Federalist Papers”, p.127, Courier Corporation