Answer:
Definition of way of life
1 the habits, customs, and beliefs of a particular person or group of people
Unhampered development is threatening these farmers' way of life.
2 an important activity, job, etc., that affects all parts of someone's life
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A is correct. W<span>here are the hikers with the large backpacks camping?</span></span>
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So people can clearly understand the emotion and hear concern or sympathy. If it were through email or text messaging, people would not feel/hear any emotion.
The answer you are looking for is number 3.
This is the most formal and accurate way to make your argument effective
All other ways do make your arguement more effective in a non-formal setting however