As you can see, I'm not expanding all that quickly. I've been playing slow and steady, building up my power base in Italy. My battles with the Ottomans and Sicilians have helped with training my generals, as has killing rebels. I went on a crusade against the Fatimid and took Alexandria and Jerusalem, which I gave back to them in exchange for a ceasefire, trade rights, and some cold hard cash for a few turns. I've been assisting the Romans occasionally, although they haven't had that much trouble. The Ottomans really had a stick up their bum about me for a while. As well, they were being pressed by the Hungarians.
Early on I messed up a few armies of the moors that landed on Italy, as well as a jihading army on the way to Medina. I ceasefired and allied with with them when they sent a diplomat to me begging for peace. Sicily only has one territory now. I'm considering taking it, but I might just vassal them eventually instead. They aren't worth much, but I don't really want to defend that island for now.