Jacob Abbott - Marco Paul's Voyages and Travels; Vermont стр 7.

"Is that the reason why they have slaves at the south?" asked Marco.

"It is a reason why slaves can be profitable at the south. In cultivating cotton or sugar, a vast proportion of all the work done in the year is the same. Almost the whole consists of a few simple processes, such as planting, hoeing, picking cotton, &c., and this is to be performed on smooth, even land, where set tasks can be easily assigned. But the work on a grass farm is endlessly varied. It would not be possible to divide it into set tasks. And then it is of such a nature, that it could not possibly be performed successfully by the mere labor of the hands. The mind