In a former volume we have traced the course of events which ended in the complete overthrow of Xerxes and his great army. Our present task is to describe the chief incidents in the cruel and devastating war, commonly known as the Peloponnesian War, which lasted for twenty-seven years, and finally broke up the Athenian Empire. The cause of that war was the envy and hatred excited in the other states of Greece by the power and greatness of Athens; and in order to make our story intelligible we must indicate briefly the steps by which she rose to that dangerous eminence, and drew upon herself the armed hostility of half the Greek world
