Martha started off her presentation about the Western Expansion by telling the story of her ancestor who traveled across the United States in a covered wagon. Which of the following sources of Information did she use?
a. expert opinion
b. anecdote
c. researched facts
d. statistics

b). Anecdote.

Explanation:

As we know, an anecdotal evidence is characterized as the limited evidences that relies mostly upon the personal testimonies. Such evidences are characterized as the limited selection of examples which support or refute an argument although they are not supported by scientific or statistical analysis. In the given example, Martha uses an 'anecdote' as the source of her information as it is based on her personal testimony('by relating the story of her ancestor who traveled across the United States in a covered wagon'). Thus, option B is the correct answer.

tending to cause harm

irony  

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~ashbelle