It would be out of place in this treatise to discuss the question into what departments or branches the executive business of government may most conveniently be divided. In this respect the exigencies of different governments are different; and there is little probability that any great mistake will be made in the classification of the duties when men are willing to begin at the beginning, and do not hold themselves bound by the series of accidents which, in an old government like ours, has produced the existing division of the public business. It may be sufficient to say that the classification of functionaries should correspond to that of subjects, and that there should not be several departments independent of one another, to superintend different parts of the same natural whole, as in our own military administration down to a r............