Why was the period from 1550 to 1650 called spains “golden age”?

Spanish scientists invented many new technologies during this period
Spanish leaders financed the expansion of their empire with gold
Millions of tons of gold were discovered in Spain during this period
Spanish rulers funded the arts with gold and silver from Spains American colonies

The period from 1550 to 1650 was called Spain's "Golden Age" primarily because Spanish rulers funded the arts with gold and silver from Spain's American colonies. This influx of wealth allowed for a flourishing of artistic and intellectual achievements in Spain during this time, leading to significant advancements in literature, art, and music. Additionally, the discovery of vast quantities of gold and silver in Spain's American colonies contributed to the country's economic prosperity and allowed for the financing of the expansion of the Spanish Empire.