<p>When Hernán Cortés met the Mayans, Aztecs and other cultures of the gulf coast of Mexico in 1519, it was the first extended contact between the peoples of continental America and Europe. The Spanish found cities larger and better run than any in Europe, and pyramids greater than Egypt's. The Aztecs believed time was running down and they lived in the final age of the world. Many Spaniards believed Christ's millennium was approaching,...