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.
The second great awakening was a large-scale religious movement in the United States that brought about more awareness on issues such as temperance and slavery. <span />
They probably played it because of the victory of the battle
Answer:
was a civil rights activist and one of the leaders of the Civil Rights Movement. He is best remembered for staging nonviolent protests against racial discrimination in America .
Explanation: