Final answer:
Punk was important to the development of rock because it rejected mainstream conventions and prioritized raw energy, simple chords, and direct, often politically charged lyrics.
Step-by-step explanation:
Punk was important to the development of rock because it rejected mainstream conventions. Unlike other subgenres of rock that embraced virtuoso guitar solos, elaborate stage shows, or complex symphonic arrangements, punk emphasized a raw, stripped-down, and DIY (do-it-yourself) approach. It prioritized raw energy, simple chords, and direct, often politically charged lyrics.