What reasons do you think motivated certain groups of Spaniards to join Columbus on his later voyages to the Americas?

Certain groups of Spaniards were motivated to join Columbus on his later voyages to the Americas due to the promise of wealth and new opportunities. The allure of gold, spices, and other valuable resources spurred many adventurers and merchants to seek fortune in the New World. Additionally, the prospects of land ownership, social advancement, and the spread of Christianity fueled the ambitions of both nobility and commoners. The excitement of exploration and the potential for fame also attracted many to participate in these endeavors.