ued only at $410,754,992; that, of persons engaged in trade, the Free States had 136,856, and the Slave States 52,662; and that, of tonnage employed, the Free State had 2,791,096 tons, and the Slaves States only 726,284.
This was in 1850.
But in 1855 the disproportion was still greater, the Free States having 4,320,768 tons, and the Slave States 855,510 tons, being a difference of five to one,—and the tonnage of Massachusetts alone being 979,210 tons, an amount larger than that of all the Slav
The tonnage built during this year by the Free States was 528,844 tons, by the Slave States 52,938 tons.
Maine alone built 215,905 tons, or more than four times the whole built in the Slave States.
The foreign commerce of the Free States, in 1855, as indicated by exports and imports, was $404,365,503; of the Slave States, $132,062,196. The exports of the Free States were $167,520,693; of the Slave States, including the vaunted cotton crop, $107,475,668. The imports of the Free States were