how did the peloponnesian war impact athens?; what advantage did the greek army have at the battle of marathon?; why was a strong navy important to the delian league in the peloponnesian war?; what advantage did athens have during the peloponnesian war?; what were the responsibilities of members of the peloponnesian league?; why was it important for citizens to participate in the assembly; which statement best describes how citizenship differed between sparta and athens?; which city was invaded first during the peloponnesian war? athens attica delos sparta