The Wealth of Nations by Part 1 Chapter 11 Page 174

The few artificers among them are said to have been all maintained by the sovereign, the nobles, and the priests, and were probably their servants or slaves. All the ancient arts of Mexico and Peru have never furnished one single manufacture to Europe. The Spanish armies, though they scarce ever exceeded five hundred men, and frequently did not amount to half that number, found almost everywhere great difficulty in procuring subsistence. The famines which they are said to have occasioned almost wherever they went, in countries, too, which at the same time are represented as very populous and well cultivated, sufficiently demonstrate that the story of this populousness and high cultivation is in a great measure fabulous. The Spanish colonies are under a government in many respects less favourable to agriculture, improvement, and population than that of the English colonies.