Because Athens and Sparta, both powerful Greek city-states, had fought as allies in the Greco-Persian Wars between 499 and 449 B.C. In the wake of the Persian retreat, however, Athens grew more powerful and tensions rose, escalating into nearly three decades of war. Sparta emerged victorious, while the constant fighting left Athens bankrupt, exhausted and demoralized. Neither city-state regained the military strength they once had
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be the second one, having to do with that fact that each faced foreign invasions, since neither had in place a sufficient defense system. </span></span>
What exactly is the question? Please let me know, and I will try to answer. :)
(Basically, comment me the question, and I will change this response and answer you!)
