The author's introduction to a book, also called a/an , often contains information about the author's experiences with the subject matter of the book.
A. index
B. table of contents
C. preface
D. glossary

Preface

Explanation:

I don't know what to put here

dr. kings dream speech

explanation:

it was late in the day and hot, and after a long march and an afternoon of speeches about federal legislation, unemployment and racial and social justice, the rev. dr. martin luther king jr. finally stepped to the lectern, in front of the lincoln memorial, to address the crowd of 250,000 gathered on the national mall.

the writer needs to avoid using abbreviations and check spelling before sharing.