Question 5 of 5 Which is most clearly a supporting detail sentence? Some intriguing, though incomplete, ideas have come from researchers trying to explain why our brains give us such vivid and emotional experiences every night. Sigmund Freud believed that dreams are expressions of memories and anxieties that we avoid thinking about during our waking lives. Carl Jung provided a modern version of the ancient opinion that dreams are messages that help us figure out how to avoid disaster, almost like prophecies. Perhaps the popularity of Jung's interpretation is the reason that many people keep dream journals, where they write down their dream experiences before they forget them After all, if dreams are messages, one had better not ignore them

Read this excerpt from "edward jenner and the history of smallpox and vaccination.” smallpox was introduced to europe sometime between the fifth and seventh centuries and was frequently epidemic during the middle ages. the disease greatly affected the development of western civilization. the first stages of the decline of the roman empire (ad 108) coincided with a large-scale epidemic: the plague of antonine, which accounted for the deaths of almost 7 million people. the arab expansion, the crusades, and the discovery of the west indies all contributed to the spread of the disease. unknown in the new world, smallpox was introduced by the spanish and portuguese conquistadors. the disease decimated the local population and was instrumental in the fall of the empires of the aztecs and the incas. similarly, on the eastern coast of north america, the disease was introduced by the early settlers and led to a decline in the native population. before it reached the new world, smallpox played a role in