What does the word encounter mean

Which of the following identified malala yousafzai’s main claim in the text?

79 one theme in stowe’s uncle tom’s cabin is a)circle of lifeb)true christianityc)american ideals and realityd)families destroyed by slavery

Hillenbrand writes, "as louie blazed through college, far away, history was turning" (p. 43). why does the author interrupt louie's narrative with information about japan and germany?