Which two of the following sentences from the article include CENTRAL ideas of the article?
1. Newspapers were also able to editorialize and create propaganda for one side or the other.
2. Pictures and illustrations became a new form of propaganda.
3. An important question for both the North and the South was whether any foreign nation would recognize the Confederacy and lend it aid.
4. Ultimately, though, Britain did not recognize or give significant aid to the Confederacy.
(A) 1 and 2 (B) 2 and 3 (C) 3 and 4 (D) 4 and 1