After the Persian wars, Athens became the supreme naval power in Grece. It created the Delian League to ward off possible Persian attacks. Athenas grew so powerful that they could dictate the laws, customs, and trade of all her neighbors in Attica and the islands of the Aegean. This power made the Athenian policy makers arrogant and intolerant with other city-states. Thus creating a discontent of the Greek polis.
Its main activity was to prevent labor disputes during the cause of the war and also ensure that higher wage settlements did not result in inflation.
Now,
Since the "x" and the "4" have the same exponent and they equal eachother,
x = 4
Well, Russia was never in the European Union but Great Britain left the European Union in January 2020
