Answer :
Final answer:
The 17th century marked a period of economic decline for Spain, contributing to its diminishing power and influence in Europe.
Explanation:
The main event that marked the 17th century for Spain was:
- c. the decadence of the empire due to economic weakening. The economic decline played a significant role in the downfall of Spain's power and influence during this period.
During this time, Spain faced challenges like the Thirty Years' War, overextension, and economic struggles that led to its decline as a dominant European power.
Learn more about Spain in the 17th century here:
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