<span>Teotihuacan was an ancient city in Mexico established around 400 B.C. by a still disputed Mexican civilization. By 750 AD the buildings and city had been abandoned by the inhabitants. This city was left abandoned and untouched until the 1400s when the Aztec Empire revealed its existence. The Aztecs named the city Teotihuacan and began using the buildings especially the temples for their empire. </span>
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A command economy is where a central government makes all economic decisions. Either the government or a collective owns the land and the means of production. It doesn't rely on the laws of supply and demand that operate in a market economy. A command economy also ignores the customs that guide a traditional economy.
Christian crusaders drove muslims out of Spain by the 1000s king fernandan and queen Isabella unify spain
