Then we went to war again on account of Megara,The famous Megarian decree which excluded Megara from the markets of Attica and the ports of the Athenian empire was passed in 432. It brought Peloponnesian discontent to a head, and the Archidamian War followed (431-421). See Thuc. 1.139. and allowed Attica to be laid waste; but the many privations which we suffered led us to make peace once more, this time through Nicias, the son of Niceratus.In 421 B.C. It was a Fifty Years’ Peace; but in 420 Athens allied herself with Argos, Elis, and Mantinea, who were aggressively anti-Spartan. By 418 she was at war again. As you are all aware, I imagine, this peace enabled us to deposit seven thousand talents of coined silver on the Acropolis