[the peace ponies] soon figure out what they could do. In addition to attending the weekly Mass meetings, they would participate and Saturday-morning training sessions were young activists were taught the two fundamental precepts of the Civil Rights Movement. the first of these consisted of using "direct action" strategies to confront injustice, such as picketing stores targeted by the Selective buying campaign and holding sit-ins at segregated as Lunch Counters. the other related precept was non-violence - that is, carrying out these actions quietly and respectfully without resorting to violence, regardless of how white people, including the police, reacted.

How does this author use third-person narration in this excerpt?

A. To describe the progress of the civil rights movment
B. To detail careful preparation of young activist
C. to reveal the economic results of boycotts
D. To explain strategies for ending police violence