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.
Danger. Or D. Thnx for free points
What is the meaning of the phrase as bitter as gall as it is used in paragraph 4. - hateful
Which of Thaljiyeh's stepmother's actions best supports the answer to Part A? - She insults Thaljiyeh and is angered by her singing.
Some ideas for this could be: Romeo and Paris have similar wealth and social status, different ages of the two of them, Romeo changes his love interests but Paris focuses solely on Juliet through the entire work, and along those lines, Romeo is emotionally unstable whereas Paris is relatively confident. Good luck!