Final answer:
New experiences and education have had a positive effect on Jimmy's changes in prison, allowing him to open up to new possibilities and explore his passion for poetry.
Step-by-step explanation:
New experiences and information have played a significant role in Jimmy's changes while in prison. These experiences have exposed him to different perspectives, expanded his knowledge, and helped him develop empathy. Education has opened new possibilities for Jimmy by equipping him with skills and knowledge that can lead to a better future. It has provided him with opportunities for personal growth, self-reflection, and self-improvement. Through education, Jimmy has gained the tools to think critically, express himself through writing, and explore his passion for poetry.