But the sentiments and the principles of man must be taken into consideration as well as his immediate interest. A certain uniformity of civilisation is not less necessary to the durability of a confederation, than a uniformity of interests in the states which compose it. In Switzerland the difference which exists between the canton of Uri and the canton of Vaud is equal to that between the fifteenth and nineteenth centuries; and, properly speaking, Switzerland has never possessed a federal government. The Union between these two cantons only subsists upon the map; and their discrepancies would soon be perceived if an attempt were made by a central authority to prescribe the same laws to the whole territory. One of the circumstances which most powerfully contribute to support the federal government in America, is that the states have not only similar interests, a common origin, and a common tongue, but that they are also arrived at the same stage of civilisation; which almost always renders a union feasible. I do not know of any European nation, how small soever it may be, which does not present less uniformity in its different provinces than the American people, which occupies a territory as extensive as one half of Europe. The distance from the state of Maine to that of Georgia is reckoned at about one thousand miles; but the difference between the civilisation of Maine and that of Georgia is slighter than the difference between the habits of Normandy and those of Britany. Maine and Georgia, which are placed at the opposite extremities of a great empire, are consequently in the natural possession of more real inducements to form a confederation than Normandy and Britany, which are only separated by a bridge. The geographical position of the country contributed to increase the facilities which the American legislators derived from the manners and customs of the inhabitants; and it is to this circumstance that the adoption and the maintenance of the federal system are mainly attributable.