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Answer:
Aqueducts
Explanation:
First developed around 312 B.C., these engineering marvels used gravity to transport water along stone, lead and concrete pipelines and into city centers.
Is belief that the legitimacy of the state is created by the will or consent of its people
When an aggregate demand curve moves to the right, it tells that there are improvements in the economy. It shows that the rate of the unemployment rate is low, there is lower inflation, production of goods are relatively high and at a low price.
