The allusion to Mother Teresa affects the meaning of the speech by President Bush in that: 2. She serves as an example of how Americans should treat each other and their country.
An allusion is an indirect reference to someone in order to call something to mind.
In this speech by President Bush, an allusion was made about MotherTheresa who was notable for all the kind work that she did.
She was referenced because the President wanted the American people to learn kindness from her lifestyle.
The author message is anyone can be really creative like the main character. How I know is because the book is telling you how creative tony was when he was making the balloons.