Athens was known for which of the following three things?

Athens is Europe’s oldest capital.Records show the city’s origins go back to around 3,400 years ago, also making it one of the oldest cities in the world.Athens has experienced almost every form of government.Having been inhabited for over 4,000 years, Athens has been submitted to nearly every form of government known to this day: monarchy, democracy, socialism, capitalism, even communism.If it weren’t for an olive tree, Poseidon might have been the city’s patron.According to mythology, Athena and Poseidon competed for the title of the guardian of the city. They each offered a gift to gain favor of its people and the gods, but Athena’s olive tree was deemed more valuable than the salt water spring given by Poseidon, so her name was given to the city-state.

Explanation:

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Ithink it's a, but i might be wrong