How did state bankruptcies and religious wars contribute to Antwerp’s decline?

Antwerp’s decline from its position as a leading commercial center was driven by a combination of financial instability and geopolitical conflict.

State bankruptcies in Spain, Portugal, and other regions undermined the city's role as a major financial hub, where international bankers and merchants had previously thrived. Simultaneously, religious tensions—as Antwerp became a center of Protestant activity—led to the Eighty Years' War and the city's involvement in the revolt of the Netherlands.1

The situation reached a critical point when the city was captured in 1585 by Alessandro Farnese, the Spanish governor-general. The consequences were devastating:12
* Population Loss: Following the fall of the city, Protestants were forced to convert or face exile, causing the population to drop from 80,000 to 42,000 between 1585 and 1589.12
* Economic Blockade: The Dutch closed the Schelde River, cutting off Antwerp’s vital gateway to the sea.1
* Emigration: Capital and enterprise migrated northward, significantly contributing to the economic rise of Amsterdam and other mercantile cities.1