William Robertson, in his The History of America (1787) claims that the ancient Mexicans and Peruvians do not merit the title "civilized."
William Robertson, The History of America (Vienna, N.Y.: F. A. Schrambl, 1787), 3:156
Their inferiority to the nations of the ancient continent.
But if the comparison be made with the people of the ancient contingent, the inferiority of America in improvement will be conspicuous, and neither the Mexicans nor Peruvians will be entitled to rank with those nations which merit the name of civilized.