Spain explored the Americas in search of a westward passage to Asia and to secure valuable trade routes for eastern commodities.
Spain began exploring the present-day United States in the 15th and 16th centuries primarily to find a westward passage to Asia. The motivation behind Spain's exploration was to secure trade routes for valuable eastern commodities and to compete with Portugal's advancements in exploration. The discovery of gold and silver mines in the New World also played a significant role in funding Spain's empire-building aspirations.
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