Answer:
Because people did not know that yellow fever was caused by the bite of an infected mosquito, they assumed incorrectly that people could catch the disease through touch. To help control the disease, letters were cleaned with vinegar before being sent. This did not work, because it was a false cause-and-effect relationship.
Answer:
B is your answer :)
Explanation:
Both parts of that sentence could stand alone as there own sentence.
<span>A) It shifts from first person point of view to third person point of view with the sentence: "That was the last sun that shone on Black Hawk."
The use of "I", "we", and "our" through the first part of the paragraph is what makes it first person point of view. When it switches at this sentence, the pronouns shift to "he", which is what makes it third person point of view. </span>
Can we see the sentences, please?