 This presented an existential threat to Habsburg dominance, guaranteeing Leopold's support, while also negating French attempts to build German alliances.William's envoy Johann von Görtz gave Leopold guarantees English Catholics would not be persecuted and claimed intervention was to elect a free Parliament, not depose James.A convenient fiction that ensured his neutrality, Leopold promised to end his current campaign against the Ottoman Empire as soon as possible and free his forces for a western campaign.