Besides the advantage of being armed, which the Americans possess over the people of almost every other nation, the existence of subordinate governme… - James Madison

A zeal for different opinions concerning religion, concerning government, and many other points, as well of speculation as of practice; an attachment to different leaders ambitiously contending for pre-eminence and power; or to persons of other descriptions whose fortunes have been interesting to the human passions, have, in turn, divided mankind into parties, inflamed them with mutual animosity, and rendered them much more disposed to vex and oppress each other than to co-operate for their common good. So strong is this propensity of mankind to fall into mutual animosities, that where no substantial occasion presents itself, the most frivolous and fanciful distinctions have been sufficient to kindle their unfriendly passions and excite their most violent conflicts. But the most common and durable source of factions has been the various and unequal distribution of property. Those who hold, and those who are without property, have ever formed distinct interests in society.

If it be true that all Governments rest on opinion, it is no less true, that the strength of opinion in each individual, and its practical influence on his conduct, depend much on the number which he supposes to have entertained the same opinion. The reason of man, like man himself, is timid and cautious when left alone; and acquires firmness and confidence, in proportion to the number with which it is associated.

In order to render this change eligible as well to the society as to the slaves, it would be necessary that a complete incorporation of the latter into the former should result from the act of manumission. This is rendered impossible by the prejudices of the whites, prejudices which proceeding principally from the difference of color must be considered...