In 499 BC the Greek cities on the coast of Turkey rebelled. Darius quickly crushed the revolt but in 490 BC he decided to invade Greece to punish the Greeks for assisting the rebels. However the Persians were defeated by the Athenians at the battle of Marathon. In 480 BC another Persian ruler, Xerxes, invaded Greece.
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they thought about the law of gravity explanation isaac newton is the best know for his theory about the law of gravity but his Royal society I hope u got it
Europe was made up many different countries all under different leaders and speaking different languages, but the 13 colonies was in one country and they all spoke the same if not similar. Also each country had a king or queen whereas the 13 colonies didn't have this. Another reason is that in the 13 colonies there wasn't a problem with moving to another state or colony. Hope this helped!
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the protections of the hills and mountains
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