How does voice impact tone??

If an author wanted to write a book that showed me the humor and the tragedy of life in a distant county he or she would likely write a

The process of? involves students offering each other constructive feedback to improve their written drafts.

Could all of you guys stop guessing on these answers and give us the right answers because when you give us the wrong answers our grades go down and some of our grades depend on us going to the next grade for sure.