The different way's they wanted to run their country.
One side wanted a dictatorship I think, one wanted a democracy.
They put up the wall too separate each other... that way the countries could be ran different way's... however all that did was bring more drama.
After the Persian victories at Artemisium and Thermopylae, king Xerxes proceeded to Athens, which he captured in the last days of September 480. Meanwhile, the Greek navy, which had managed to get away from Artemisium, stayed on the isle of Salamis, opposite Athens. The presence of the enemy close to Phaleron, the Athenian harbor, created a strategic problem for the Persians: they could not use their port as easy as they wanted. And this was something they had to, because their army was proceeding to the Isthmus of Corinth, and it was imperative that the transport ships, brimful with food, could join the soldiers on the Isthmus. It was, therefore, imperative to expel the Greeks from Salamis.
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a member of a Semitic people, originally from the Arabian peninsula and neighboring territories, inhabiting much of the Middle East and North Africa
Answer:
On 28 May 1588, the Armada set sail from Lisbon and headed for the English Channel. The fleet was composed of 130 ships, 8,000 sailors and 18,000 soldiers, and bore 1,500 brass guns and 1,000 iron guns.
-Invasion por recursos naturales
-como amenaza por el pago de una deuda.
-para generar desequilibrios sociales y economico.