Final answer:
La Malinche, also known as Doña Marina, played a significant role in the Spanish conquest of Mexico as Hernán Cortés' main translator.
Step-by-step explanation:
La Malinche, also known as Doña Marina, played a significant role in the Spanish conquest of Mexico. She served as Hernán Cortés' main translator, facilitating communication between the Spanish and the Aztecs. Her language skills were crucial in building alliances and negotiating with native peoples. Despite being viewed as a controversial figure, her assistance to Cortés was instrumental in the conquest of the Aztec Empire.