With a POD after the collapse of the Exarchate of Ravenna is there anyway to make the Papal States lead by the pope could take control of all of Italy. The control could be temporary or permanent whatever you think would be the most plausible.
Novgorod was not burned and attacked by the Mongols is there any way that this position of not being devastated could be turned into novgorodian ascendancy over the rest of the Russian princes?