Which change is illustrated by the shift taking place on this graph? Supply and Demand Equilibrium Price o a decrease in supply o an increase in supply o an increase in demand o a decrease in demand Demand S1 Sa II pa QQ: Quantity

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the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.