How did William of Orange support the revolt in Holland and Zeeland?

William of Orange supported the revolt in Holland and Zeeland through both military leadership and political organization. After the capture of Brielle by the Sea Beggars in 1572 triggered a widespread uprising, William emerged as the central figure of the resistance.1

His key contributions included:

• Political Leadership: He encouraged the provincial States of Holland to meet at Dordrecht in 1572, where they recognized him as their stadtholder. He later facilitated closer unions between the parts of Holland and between Holland and Zeeland, serving as the "Chief and Supreme Authority" during the war.1
• Military Command: From 1572 to 1576, he led the maritime provinces in their desperate resistance against Spanish armies. He utilized his authority to hold disparate factions together and prevent internal divisions.1
• Diplomatic Efforts: William actively sought military and political support from abroad, including England, France, and Germany, to sustain the rebellion.12
• Governance: He attempted to maintain public order and initially advocated for religious equality between Catholics and Calvinists, though he eventually struggled to mitigate the growing intolerance of the Protestant movement as the conflict progressed.1