The Spanish had intended an invasion of the mainland of Mexico but were taken in a ruse by the wise Aztecs. Leading the Spaniards into a trap on one of the bridges of Tenochtitlán, Cortés and his men were trapped. As Cortés was being dragged off by four Aztec warriors, Cristobal de Olea threw himself forward to save his leader, only to be slain as well. The Inca were prepared for Pizarro and the rest of the western empires were forewarned and Spain's colonial interests were thwarted.