Final answer:
The painting supports the idea that conquistadors were motivated by their religious beliefs.
Step-by-step explanation:
The painting of the Conquistadors praying before entering Tenochtitlan supports the idea that they were motivated by their religious beliefs. The men are shown wearing armor and holding spears and guns, but they are on one knee with their hands in prayer formation. This indicates that they saw the conquest as a righteous mission driven by their faith. Additionally, the fact that the conquistadors were horrified by the practice of human sacrifice in Aztec religion suggests a clash of religious beliefs.