Carved from the empire of Alexander the Great after his death, the Seleucid Empire stretched from India to what is now Bulgaria, and included Babylonia, Syria, and Anatolia. Alexander had died without a viable heir, leaving the empire unstable, and Seleucus—who had served under him—saw his chance. By the year 305 BCE, he had declared himself king of a vast, diverse empire that would persist for centuries. The eventual collapse of the empire was hastened by the revolt of what group of people? Discuss