Under the u. s. constitution, which of these is a power reserved only for states? the power to establish and maintain schools the power to borrow money the power to regulate foreign trade the power to declare war

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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.