_The constitutional action of Congress in the ways above named, would do much to induce the South to abolish Slavery._ Its abolition in the District of Columbia by the assembled wisdom of the country, would exert a powerful influence on the southern mind. It would be the testimony of the nation, corroborating the testimony of every truly civilized and christian people, to the impolicy and wickedness of Slavery. The prohibition of the inter state slave-trade, and the confinement of Slavery to its present local limits would render it unprofitable to the old states, which depend on this trade as the chief source of profit; and also drive the new states to the necessity of introducing free labor; for how could they otherwise cultivate their immense tracts of virgin land, or supply the deficit occasioned by the rapid consumption of life on their cotton and sugar plantations? We should make a still more _direct appeal to her interests_, by saying: _You may keep your cotton, rice, and sugar, until you have abolished Slavery. We shall no longer use the products of unrequited labor._ It would then be a question of dollars and cents with her, whether or not she would give liberty to her captives. We should not be obliged to deny ourselves the use of her productions one year; for her states would vie with each other to see which could obtain a monopoly of northern patronage by first abolishing Slavery. Many northern men have been bought by southern patronage to _do wrong_; is it not equally possible to buy the south with northern patronage to _do right_; Human nature is every where the same. We should indeed regret to have Slavery abandoned from an exclusive regard to self-interest. We would rather it should be destroyed by the spirit of repentance; for then the emancipated slave would still be treated with justice and humanity. But no means of bringing the South to repentance can be more promising, than the _conscientious_ refusal, by northern men, of all sects and parties, to sustain Slavery, by consuming its produce. At present this cannot be done on a scale sufficiently large to secure, certainly and immediately, the abolition of Slavery; but were the North completely abolitionized, no doubt she would do it with the most triumphant success.