Answer:
The answer answer to the statement: This detail is important to the historical context of the story because in post-Civil War America people´s rights were most affected by... is, A: Race.
Step-by-step explanation:
"The Land" is a novel written by Mildred D. Taylor and it was published in 2001. It narrates the story of the Logan Family, as part of the saga written by this author, its fifth book. One of the issues exposed by the book, and especially in American history, pre and post Civil War, is the preeminence of racial segregation, and racial discrimination that defines a lot of American life, especially in the South. This particular excerpt precisely shows how, what truly mattered to people of post-Civil War America, was the color of the skin, the racial origin, of a person. A white person was well looked at, and considered suitable to be in company with, but when it came to a black person, that was another story, and it was seen as beneath the dignity of, especially, a white person.