What did Hernan Cortes and Francisco Pizarro do to affect Spain?

Hernán Cortés and Francisco Pizarro significantly impacted Spain by leading the conquests of the Aztec and Inca empires, respectively. Their expeditions resulted in vast territorial gains and immense wealth for Spain through the acquisition of gold, silver, and resources from the Americas. This influx of riches fueled Spain's economy and solidified its status as a dominant global power during the Age of Exploration. Additionally, their actions contributed to the spread of Spanish culture and influence across the New World.