Alexander, with the help of his mother, is able to consolidate power within his family, really secure his place as the king of the Macedonian or the Macedonian Empire. And so the next thing is is to secure his hold on the empire militarily. And you immediately start having rebellions to the north and west of Macedon or Macedon. And so in particular, the Illyrians, which is in modern-day Albania, so this region right over here, they start to revolt. Alexander goes and makes a point of sieging the pass at Pelium. This is a very strategic location. But while he's there with his military forces, so while he's there with his military forces, you can imagine the other city-states of Greece, in particular Athens and Thebes, say, hey, now's our chance.