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.
To make more profit, expand in mercantilism, and gain more raw materials for manufactured goods :)
The Apollo-Soyuz Test Project was a joint United States-U.S.S.R. venture to live and work together on a space platform in orbit.
Provide me a picture or piece of text for me to answer this question.
The answer is number 2. the answer is number 2 because she fought for civil rights in 1955 and so on, not making her the very first civil rights spokesperson. But, it inspired many others.
