The correct answer to this open question is the following.
Although the question is incomplete because it does not provide a specific reference about the author of the letter or any other reference, we can comment on the following.
A primary source is the piece of information that was written by a character or an individual that lived in the moment of the event, was part of the event, or witnessed the event. This individual could have written a letter, or a document -including a book. Or he/she took a photograph. Or was part of an interview. The secondary source includes information from a third person who was not part of the time or event but has found information through other resources. It is the case of an encyclopedia or researchers/historian books.
Answer: The Cherokee Trail of Tears resulted from the enforcement of the Treaty of New Echota, an agreement signed under the provisions of the Indian Removal Act of 1830, which exchanged Indian land in the East for lands west of the Mississippi River, but which was never accepted by the elected tribal leadership or a majority.
Severe exposure, starvation and disease ravaged tribes during their forced migration to present-day Oklahoma. ... As many as 4,000 died of disease, starvation and exposure during their detention and forced migration through nine states that became known as the “Trail of Tears.”
D is the correct answer
Interestingly enough, the world did not see an increase in the number of hijackings after 9/11, which possibly could be credited to increased security measures.
Slaves occupied the lowest social class.
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