sentences:  Reflecting on his experiences at Austerlitz, he now becomes convinced that in order to prevent the chaos on the battlefield he experienced, the military code needs to be changed.After meeting Natasha Rostova, he becomes enchanted with her liveliness, which contrasts with his life after the death of his wife.He proposes to her but his father disapproves, and suggests that Andrei should wait a year and receive treatment abroad for his wound.