Qin Shi Huang unified China economically by standardizing the units of measurement and currency, as well as the emperor developed networks off road and canal systems to facilitate transport and trade.
Answer:Italy is located in the centre of the Mediterranean Sea, in Southern Europe;[17][18][19] it is also considered part of Western Europe.[20][21] A unitary parliamentary republic with Rome as its capital and largest city, the country covers a total area of 301,230 km2 (116,310 sq mi) and shares land borders with France, Switzerland, Austria, Slovenia, as well as the enclaved microstates of Vatican City and San Marino. Italy has a territorial exclave in Switzerland (Campione) and a maritime exclave in Tunisian waters (Lampedusa). With around 60 million inhabitants, Italy is the third-most populous member state of the European Union.
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because it was a trade route
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It affected the Americans positively long terms, but negatively in the early times of the exchange.
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The Columbian Exchange greatly affected America, bringing destructive diseases that depopulated the Americans but did distribute a wide variety of new crops and livestock throughout the American farm industry. In the long term, this rather increased the human population but still very profoundly affected the Americans.