Final answer:
Pathos in the Highway Beautification Act can be seen through the mention of devastated small towns and emotional language used to describe the impact of the highways.
Step-by-step explanation:
In the context of the Highway Beautification Act, pathos refers to the use of emotional appeals to elicit a response from the audience. One example of pathos in this act could be the mention of small towns and businesses being devastated and bypassed by the new roads, which would appeal to the emotions of empathy and concern for the affected communities. Another example is the use of words like decay, despoiling, vanishing, and violated to describe the impact of the highways, which aims to evoke emotions such as sadness and anger.