The Word which is most connected with the introduction is “vernacular”. This is because the stories and introduction are developed through factors that belong to his own region. Some of them are migration, language, with Icelandic historical context and, ancient and modern changes in Iceland
The correct answer is:
a- Personal letters written by Gandhi
The best way for the students to read the feelings and thoughts of Mahatma Gandhi, is reading the things he wrote by himself, his feelings, his thoughts, his ideas, personally described by himself.
I believe the answer would be implicit wording