Final answer:
Hernando Cortes' main objective of his voyage was to search for gold and other riches.
Step-by-step explanation:
The main objective of Hernando Cortes' voyage was to search for gold and other riches. Inspired by tales of rivers of gold and the wealth of the Aztec Empire, Cortes and his men were primarily motivated by the desire for wealth and riches. While spreading Christianity and expanding Spanish territory were secondary objectives, the primary focus of Cortes' voyage was the pursuit of gold.