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Why did the Schmalkaldic League collapse during the war against Charles V?
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Philip
Philip, 17th-century etching.
The collapse of the Schmalkaldic League during the war against Charles V was driven by several critical factors that undermined the Protestant alliance:
- Structural Weakness: The league suffered from an unwieldy organization, a flaw long recognized by Philip, landgrave of Hesse, which hindered effective military coordination.1
- Leadership and Financial Failures: The alliance was plagued by poor leadership decisions and a lack of necessary financial resources to sustain the conflict.1
- Internal Disunity: While the league remained inactive, other Protestant princes were distracted by petty disputes, leaving them vulnerable to the emperor's preparations for war.1
- Strategic Betrayal: The collapse was accelerated when the Protestant duke Maurice of Saxony attacked the territory of his cousin, the elector John Frederick of Saxony, effectively fracturing the Protestant front.1
These combined pressures allowed Charles V to defeat the league by 1547, leading to the capture of its primary leaders.21