15. What is Roald Dahl's purpose in writing this letter?
a. to persuade parents to vaccinate their children
b. to inform the reader about measles
C. to allow parents to make their own decisions
d. to require lawmakers to require vaccines
16. Read the following quotation.

If two person had given your answer then there is a option of mark as brainliest. click there in the option of mark as brainliest in which you like the answer most. if any one person has given answer then after some days you will a notification to mark his/her answer as brainliest.

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