plague,invasion of attica by the spartans,strategy,plato was born a year after pericles dd,strats were abandon,pericles was deposed then reinstated,naval forces,attacks on sparta’s allies,spartans felt more and more threatened,pericle seaborne attack on sparta allies,few months after his sons die he dies,few months later, pericles himself succu,seaborne attacks on sparta's allies,sea defense,pericles' two sons died of the plague,golden age ends,pericles later succumbed to his death,okague,conflict,pericles 2 sons died of the plague,pericles sons died of plague,