text: Six of this city's top naval commanders were executed for failing to rescue their crews.
full_question: Six of this city's top naval commanders were executed for failing to rescue their crews. Overland shipping to this city was choked off by the capture of the nearby fortress at Decelea. Because a herald from this city was killed in Megara, this city imposed a set of economic sanctions known as the Megarian decree. In the midst of a campaign, a commander was recalled to this city to face trial for desecrating the hermai. The loss of this city's war hawk general (*) Cleon at the Battle of Amphipolis allowed a statesman from here to sign the Peace of Nicias. This city, which was serviced by the port of Piraeus, lost the naval battle of Aegospotami. For 10 points, name this city which controlled the seas for most of the Peloponnesian War, a conflict it lost to Sparta.
first_sentence: Six of this city's top naval commanders were executed for failing to rescue their crews.
raw_answer: Athens