What did Cortes do that help the Spain and what did Cortes and his men bring to hurt the native?

Hernan Cortés invaded Mexico in 1519 and conquered the Aztec Empire. Hernán Cortés was a Spanish conquistador, or conqueror, best remembered for conquering the Aztec empire in 1521 and claiming Mexico for Spain. He also helped colonize Cuba and became a governor of New Spain.

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the period of human evolution has coincided with environmental change, including ('hominin' refers to any bipedal species closely related to humans – that is, on how do we know earth's climate has changed? a map showing dates and locations of prehistoric archeological sites and migration routes from africa into.