Hernando Cortez was a Spanish conquistador who led an expedition that caused the fall of the Aztec Empire and brought large portions of mainland Mexico under the rule of the King of Castile in the early 16th century. Cortez is remembered as one of the most significant and successful conquistadors in Spanish history.
How did he "help" the Aztecs?
Cortez did not help the Aztecs. He led a campaign that resulted in the downfall of the Aztec Empire and the colonization of Mexico by the Spanish.