Which statements best describe the author's purpose for writing this passage? Select two options,
Read the passage from Sugar Changed the World,
Nina was always a mysterious figure in the family:
beautiful as a movie star, cosmopolitan and elegant, with
wide Slavic cheeks. She spoke only Russian, though
she lived much of her adult life in Tel Aviv. There were
rumors that she came from nobility and that she had
once been very rich. She and Avram were thought of as
a glamorous couple-he the charming man with his
head in the clouds (in Yiddish the word for that kind of
person is luftrensh, "air man"), she the mysterious
beauty who had given up everything to be with him.
to present background information about Nina
to create a sense of suspense about Nina's future
to intrigue the reader with details about Nina
to show how Nina was able to mislead people
Oto persuade the reader that Nina was rich

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