Henry Charles Carey — American Economist born on December 15, 1793, died on October 13, 1879

Henry Charles Carey was a leading 19th-century economist of the American School of capitalism, and chief economic adviser to U.S. President Abraham Lincoln... (wikipedia)

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.
By adopting the other trade, we place ourselves by the side of those whose measures tend not only to the improvement of their own subjects, but to the emancipation of the slave everywhere.
Wherever it is resisted, slaver dies away and freedom grows.
It will be said, however, that protection tends to destroy commerce, the civilizer of mankind. Directly the reverse, however, is the fact.
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.