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An investor makes money by earning interest
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Answer:
Dynamic pricing.
Explanation:
Most airlines use this system of Dynamic prices in which an algorithm uses data from supply and demand, time, competitors prices, groups of customers and other factors to determine the current price for a ticket.
This has been a technique used from the very beginnings of human civilization since prices have always fluctuated according to external factors.
Answer:
The War of 1812 caused there to be an industrial revolution in the United States which led to factories being made.
