The line that shows conflict between Giles and Putnam is "A fart on Thomas Putnam, that is what I say to that!"
1. This line indicates a direct insult from Giles towards Thomas Putnam, showing hostility and conflict between them.
2. The use of vulgar language like "fart" intensifies the confrontation and demonstrates the heated exchange between the two characters.
3. Giles's disrespectful remark towards Putnam highlights the animosity and tension existing between them in the play.
4. By using such language, Giles expresses his disdain and defiance towards Putnam, escalating the conflict between the two characters.