Question

Why had his sister given him letters of
introduction to people living there?​

Answer 1

His sister had given him letters of introduction to people living there as he did not know anyone there.

She knew that he would not speak to anybody and his nerves would be worse from moping.

That is why she gave him letters of introduction to all the people she knew there.

Answer 2

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• His sister knew that Framton would meet very few people in the countryside. He  would feel lonely and bored. His condition could grow worse. So she gave him letters of introduction to all people she knew there. One was addressed to Mrs.  Sappleton.