peloponnesian league
It came to a head when Athens tried to destroy economically Megara, an ally of Sparta. The Peloponnesian League led by Sparta demanded this stop, Athens refused. War ensued.
A series of disputes between Athens and the Peloponnesian League led by Sparta came to a head when Athens took action against one of the League members Megara. Sparta tried to get Athens to relent, Athens refused, and war broke out.
Athens, using the spoils of the empire it had made out of the nti-Persian league, was interfering in the city-states of the Peloponnesian League led by Sparta. This came to a head when Athens tried to destroy the levelihood of Megara, amember of the Peloponnesian League. The other members of the League appealed to Sparta to intervene, Sparta appealed to Athens to lift the action against Megara. An ocer-confident Athens refused and war ensued.
Athens, having established an empire of about 180 Greek cities, interfered in the affairs of other cities, which appealed to the Peloponnesian League led by Sparta. They collided over It came to a head over Athens' treatment of Megara, and as neither side would back down, war ensued.
Sparta was stronger on land, Athens stronger by sea.
that Athens gradually took most of the power and became the head of the delian league which is why Sparta broke off
the rivalry between Sparta and Athens
Sparta was cool. they killed people. Athens was a bunch of panzies. While they did kill people, they also were the first direct democracy. ^^ Not entirely helpful, but sadly true. In Sparta they had what we'd call a Constitutional Monarchy. This means that the King of Sparta would basically be a figure-head for the people to rally around; he didn't have any real power (except in wars I think). Athens however was the origins of Democracy. In Athens though they practised Direct Democracy, which is the citizens of Athens going and voting on particular issues themselves instead of having MPs, or Senators doing it for them. In most countries that have a Democracy, there is a Representative Democracy which involves voting a person to represent you in the government/parliament/senate. So... Sparta = Constitutional Monarchy Athens = Direct Democracy
Your rival is the red head named ???
Athens had turned the Greek anti-Persian League it led into an empire after peace was made with Persia. Buoyed up by its dominant fleet financed by the empire, and its impregnable walls, it interfered in the affairs of cities of the Peloponnesian League led by Sparta. This came to a head when it set out to financially cripple its neighbour, Megara, a member of the League. Athens refused to back down and war ensued.
Building tensions between Athens and its empire and the Peloponnesian League led by Sparta set up to oppose it, came to a head when Athens banned Peloponnesian League member Megara from trading within Athens' empire. This meant the ruination of Megara. The Peloponnesian League demanded an end to the ban, which a fully-confident Athens rejected. War ensued.
In about 460 BCE, after the Persian invasion had been repelled by the combined Greek forces, Sparta was facing a revolt by its serf population in Messene, and making heavy weather in putting it down. Athens offered to help and sent an expeditionary force to reinforce the Spartan forces. The Athenians were very adventurous in their operations, and showed up Spartan methods, which was based on trying to force a pitched battle with an elusive opposition which declined to make itself such a target. There is also a suggestion thet the Athenians showed some sympathy for the Messenians. The upshot was that Sparta invited the Athenians to go home, and the usual cooperative spirit between the two cities soured. After peace was finally made with the Persians in 449 BCE, Athens converted the anti-Persian Delian League which it led into an empire of its own, continuing to levy the war fund from the 200 cities of that league to use for its own benefit and maintaining a strong navy to enforce the annual collection of money. With this strength, Athens aggressively interfered in the affairs of the cities to which Sparta was allied in the Peloponnesian League, particularly Corinth. The Peloponnesian League members urged Sparta to help them stand up to Athens. A cocksure Athens persisted in interfering in other cities, and this came to a head when Athens banned Megara, a Peloponnesian League member, from trade with cities in its empire, which would destroy Megara. The Peloponnesian League demanded Sparta act, Sparta demanded Athens back off, Athens refused, war ensued.