Someone please help im timed and i really need help! I'll mark you brainliest!

im not sure of anwser 2 i apologize!!. Question one is D.

Explanation:

Plessy v. Ferguson, 163 U.S 537 (1896), was a landmark decision of the us supreme court that upheld the constitutionality of racial segregation laws for public facilities as long as segregated facilities were equal in quality. a doctrine that came to be known as "seperate but equal". Hope this helps!!

the answer is a. laws were enacted in the aftermath of the plot to make it harder to free slaves,increasing sectionalism

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.