While you didn't really provide the "following" as the comment above me states, in general, the advantage of secondary sources of primary ones is that they perhaps provide a more objective or even just a broader view on a certain topic. While a primary source of the American civil war would be a letter written by a soldier, a secondary source would be a book that describes more letters taken together and discusses possible information regarding them.
Its either B or C. but if I'm not mistaken its c
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There exist a similar question which goes like,
A jury trial ___.
The remaining items in the question above happen to be the choices. The answer to this item is letter "A.. happens at the trial or district court level."
If you meant trade market, the answer is true
