How did Howard Hughes, Sr. contribute to the oil boom

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when in doubt choose c

it's what my teacher told my class when we were going into psats

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.