Which group benefited most from the supreme court decision in dred scott v. sanford?

The slave owners benefited most from the Supreme court decision.

Explanation:

The court had to decide whether a African-American, slaves or not, whose ancestors were bought and imported into the United States as slaves and were later sold as such could be  counted as citizens of the United States

i think u are supposed to write a long-essay answers to the long-essay questions

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.