TRADERS AND SETTLERS 27 modern currency. If they failed in this payment they lost their recently acquired liberty and re- turned to the status of slaves. Meanwhile, their children, already born or yet to be born, remained under obligation to serve the Company. Apparently the Dutch were conscious of no sense of wrong-doing in the importation of the blacks. A chief justice of the King's Bench in England expressed the opinion that it was right that pagans should be slaves to Christians, because the former were bondsmen of Satan while the latter were servants of God. Even this casuist, however, found difficulty in explaining why it was just that one born of free and Christian parents should remain enslaved. But granting that the problems which the settlers were creating in these early days were bound to cause much trouble later both to themselves and to the whole country, there is no doubt that slave labor contributed to the advance- ment of agriculture and the other enterprises of the colony. Free labor was scarce and expensive, owing both to the cost of importing it from Europe and to the allurements of the fur trade, which drew off the boer-knecht from farming. Slave labor was therefore of the highest value in exploiting the resources of the new country.