While the motivations were different, both were driven by the desire for wealth and power.
Europe's trade with Asia
Motivated by the desire for access to valuable spices, silk, and other luxury goods that were not available in Europe.
European merchants and traders saw the potential for large profits. This led to the establishment of trading posts throughout Asia.
This trade was a major cause for economic growth in Europe, and helped to establish many European powers as global economic and political players.
Spain's desire for riches in the Americas
This was driven by the discovery of large amounts of gold, silver, and other valuable resources in the New World.
The Spanish were motivated by the idea of increased wealth and power that could be gained.
The Spanish also sought to spread their culture and religion to the indigenous people of the Americas.