Hi i'm a substitute teacher that's supposed to teach several students about the book tomorrow and I have no clue what i'm doing please help me!!! please answer asap(sorry for the grammar)

in the race before the Ballarat Mile Charlie takes off his shoes in order to affect his odds, then in the real race he gets Mr Redmond to gamble all his money on himself (highly illegal even then, same with the affecting your odds thing) after he wins he buys a woodmill