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the answer is that The settlers, who arrived in 1587, disappeared in 1590, leaving behind only two clues: the words "Croatoan" carved into a fort's gatepost and "Cro" etched into a tree. Theories about the disappearance have ranged from an annihilating disease to a violent rampage by local Native American tribes
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Explanation:Pericles strengthened democracy in Athens by paying public officials. Pericles expanded the empire by building a strong naval fleet. Pericles rebuilt and beautified Athens.
The Romans used the Arch and Dome for buildings mostly, for example the aqueducts.
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command economy, the system is controlled by the government. A mixed economy is partly run by the government and partly as a free market economy, which is an economic system that includes no government intervention and is mainly driven by the law of supply and demand