Final answer:
The best sentences to support a thesis on the Beat Generation's impact on culture and music are sentences a, c, and d, as they provide context on the movement's desire for innovation, the broader societal factors at play, and the personal experiences of war that influenced the generation.
Step-by-step explanation:
The passage provides a historical context of the Beat Generation, its characteristics, and how it influenced the culture and music of its time. To support a thesis on how the Beat Generation contributed to the cultural evolution leading to the rise of new movements such as hippies, the best pieces of evidence would be:
- Sentence a: "Bebop was born of a rejection of the harmonies and the rhythmic limitations," because it shows the desire for musical innovation and breaking away from the past.
- Sentence c: "There were several societal factors that drove this movement," as it suggests that the Beat Generation was influenced by more extensive societal trends.
- Sentence d: "Young musicians were among those drafted into the military to go to war," which could indicate how the experiences of war influenced the values and creative expressions of these individuals.