text:  Yet if the labour of Africa is continued to be abstracted to any considerable extent by Europeans and from any points except from free European settlements in Africa in order to cultivate other quarters of the world all hope of improving the condition of Africa is at an end; because the abstraction of such labour can only be obtained by the continuation of internal slavery and a slave trade within Africa; because labour if generally abstracted from Africa as heretofore whether in freemen or slaves will tend to enhance the cost of that which remains to such an extent as will render it all but impossible for any industrious capitalist whether European or native to extend and maintain successfully cultivation in Africa