[1] The author of the passage is primarily interested in
Inference:
P1:
"It is therefore a misconception that all African Americans in the pre-Civil War South were slaves."
"Many researchers have also assumed that... However, these cases represent only a small minority of..."
P2 :
"In fact, despite the efforts of the various colonial legislatures..."
P3:
"The history of free African Americans families in colonial New York and New Jersey, by contrast, is quite different from that of free African Americans in the South..."
Overall we can say from the first passage and POE itself that this (C) is an alternative view.
[2] The passage suggests which of the following about African American families in colonial New York and New Jersey?
(A) They were not descended from white servant women and African American men. - last line of the passage suggests that they might be.
(B) They were less numerous than African American families in the colonial South. - We dont know that.
(C) Most of them were started between 1644 and 1664. - Slaves were freed in that period, we dont if the families started then.
(D) They began with an initial group of fourteen families. - 14 families were traced through 3 generations. We dont know for sure that they started with initial 14. It may be more or less.
(E) Some of them may have descended from white servant women. - Correct. Last 2 line of the passage suggests this.
[3] Which of the following can be inferred from the passage?
(B) Some colonial legislatures passed laws to prevent interbreeding between white colonists and African Americans
Inference : "In fact, despite the efforts of the various colonial legislatures, white servant women continued to bear children by African American fathers through the late seventeenth century and well into the eighteenth century."
[4] According to the passage, which of the following is a difference between free African Americans in colonial New York and New Jersey and free African Americans in the colonial South?
C,D,E are not mentioned.
B is just opposite of what is given in the last passage. A remains.
A. Those in New York and New Jersey were primarily descended from freed slaves while those in the South were primarily descended from white women.
Inference:
First passage talks about African-american families in South,
"Most free African Americans were actually the descendants of African American men and white servant women..."
Final passage talks about African-american families in NY and NJ,
"The history of free African Americans families in colonial New York and New Jersey, by contrast, is quite different..."
"Most were descended from slaves freed by..."