Complex sentence: The Mongols asked their allies and tributaries for military aid in the campaign against the Islamic countries in 1216, although the Tangut emperor Shenzong was willing, his court and in particular his general Aša-gambu recommended against it.
Split into simpler sentences: The Mongols asked their allies and tributaries for military aid in the campaign against the Islamic countries in 1216. Although the Tangut emperor Shenzong was willing, his court and in particular his general Aša-gambu recommended against it.