Then it was that the exports of slaves from Virginia and the Carolinas was so great that the population of those States remained almost, if not quite stationary.

Man, the molecule of society, is the subject of social science.

The whole action of the laws tended to increase the number of consumers of food and to diminish the number of producers, was due the invention of the Malthusian theory of population.

The commerce of India does not grow, nor does that of Portugal, or of Turkey; that but that of the protected countries does increase, as has been shown in the case of Spain, and can now be shown in that of Germany.

In 1833, protection was abandoned, and a tariff was established by which it was provided that we should, in a few years, have a system of merely revenue duties.

From that date the abandonment of the older State proceeded with a rapidity never before known, and with it grew the domestic slave trade and the pro-slavery feeling.

It will be said, however, that protection tends to destroy commerce, the civilizer of mankind. Directly the reverse, however, is the fact.