The author is trying to portray that all parts are important even though some may come smaller or larger than other. Nothing could happen as planned without the smaller of bigger parts
The story takes place during the Great Depression.
So you have to have courage to speak in front of an audience and tell people what you believe in but you also have to have courage to sit and listen to other peoples opinions about what they believe in even if you don't believe what they believe
If a number has 5 as it's last digit, it's always divisible by 5: multiples of 5 have either 5 or 0 as the last digit.
If a number is divisible by 5, it is not a prime with one exception: of 5 itself. This is from the definition of prime numbers: divisible only by 1 and by itself.
