Aggressivenes of the Athenian empire which interfered in inter-city disputes outside the empire.
they did not
The Athenians and the Spartans .
Notably , Athens and Sparta .
Notably , the main leaders during the Peloponnesian Wars was Pericles leading Athens and Archidamus II of Sparta ~ See related link below .
Do you want to take the trouble to reword the question so it makes sense.
You can find them here: http://en.wikipedia.org/wiki/Peloponnesian_War
Presumably an analyis of the Peloponnesian War. Who did it?
Peloponnesian War happened in -431.
There were several wars in which they were on opposite sides, and some where they were on the same side. The main one was the Peloponnesian War between the Peloponnesian League and Athenian Empire 431-404 BCE.
There were many Greek wars - what period did you have in mind? You could always try 'The Causes of the Peloponnesian War'.
This question is incoherent. If you want an answer rewrite it so that it is clear what you are talking about.
History of the Peloponnesian War.