The Wealth of Nations by Part 4 Chapter 7 Page 19

prompted him to undertake it; and to give this motive the greater weight, it was proposed by Columbus that the half of all the gold and silver that should be found there should belong to the crown. This proposal was approved of by the council.

As long as the whole or the far greater part of the gold, which the first adventurers imported into Europe, was got by so very easy a method as the plundering of the defenceless natives, it was not perhaps very difficult to pay even this heavy tax.

But when the natives were once fairly stripped of all that they had, which, in St. Domingo, and in all the other countries discovered by Columbus, was done completely in six or eight years, and when in order to find more it had become necessary to dig for it in the mines, there was no longer any