What is the exposition in the book the giver

Exposition : This book is about a boy named Jonas who is waiting for a job during his ceremony of 12. His father is a nurturer and his mother works within the community. He has a younger sister named Lily.

He discusses the problem of human destruction of nature and gives solution to prevent it.

Atahualpaemperor of the inca empire who rose to the throne after winning a civil war between him and his brother.  -he refused to become a spanish vassal or christian.-francisco pizarro kidnapped him and demanded a huge ransom.  -pizarro's secretary described him as "a man of thirty years, good-looking and poised, somewhat stout, with a wide, handsome, and ferocious face, and the eyes flaming with blood."-after the ransom was paid, atahualpa was killed by pizarro