Based on the information in "Edward Jenner and the History of Smallpox and Vaccination,” how does the author support the claim that the slave trade played a role in the spread of smallpox?

(A)by explaining how smallpox was brought to America
(B)by describing how smallpox was used as a weapon in America
(C)by suggesting that the disease existed wherever enslaved people traveled
(D)by discussing the presence of the disease where enslaved people originated

Based on context, the word “insoluble”most likely means?

How did rick respond to this conflict

Which sentence from the text best develops the theme about the importance of compassion for other people? "besides, he was the only person in the whole place with skin nearly as dark as hers." "at first she wanted to intern at her dad's gas station, but her teacher told her she needed to branch out and signed michelle up at the oakcourt nursing home, only 15 minutes away from her house." "still, michelle had been curious, and she felt sorry that erkan had a bad reputation among the staff." "she too had felt like everyone mistrusted her--especially at the nursing home where she was so much younger than the rest of the staff--so she understood how he must feel."