Who let the spanish conquest of Mexico?

The Spanish conquest of Mexico was led by Hernán Cortés, a Spanish explorer and conquistador who arrived in Mexico in 1519. Cortés and his men were able to defeat the Aztec Empire and conquer Mexico in 1521. The Spanish conquest of Mexico had a profound impact on the region and its people, as it led to the establishment of Spanish colonial rule in Mexico and the introduction of European culture and religion.