Assertion: caliphate's capital | /r/HasProperty | endangered by a mongol army
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text: Historians have ascribed various motives to al-Alkami's opposition to submission, including treachery and incompetence, and it appears that he lied to the Caliph about the severity of the invasion, assuring Al-Musta'sim that, if the capital of the caliphate was endangered by a Mongol army, the Islamic world would rush to its aid.