I believe the answer is B.
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.
Sacrificial rituals, they killed people, spilled their blood on altars. It was an honor to be a sacrifice. Sometimes, the rituals claimed to need virgins or women, or both.
Answer:
The wall was built to prevent East Germans from fleeing and stop an economically disastrous migration of workers.
He was trying to deal with the East Germany's refugee problem which was The East Government was extremely unpopular-so many East Germans fled to West Germany- between 1949 and 1961 2.7 million escaped to West Germany- Many of these were very skilled- such as doctors.
To make this answer short The problems that Krushchev was trying to deal with was to keep the East Germans from fleeing and to stop an economically disastrous migration of workers.
Explanation:
Christian missionaries spread the belief of the Orthodox and Roman Catholic churches, Ottoman invaders contributed Islam, and refugees from persecution brought Judaism.