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.
-Jacob V. Samuel Adams convinced Paul Revere to make a picture of the Boston Massacre. It wasn't accurate, but Samuel Adams wanted to use what happened in the Boston Massacre to make Colonists even angrier...
Hope it helps! ツ
Answer:
the action of keeping something harmful under control or within limits.
Explanation:
