Which document is referred to as the “supreme law of the land”?
a. us constitution
b. bill of rights
c. declaration of independence
d. first amendment

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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.