I really appreciate your effort.
But I'm wondering, why did you mention alternatives in the second paragraph? You categorized this topic as "'strong opinion", then if you strongly agreed, you would mention why you supported this idea in both paragraphs.
But these two paragraphs Would have been more suitable with "partly agree introduction and conclusion" that you agree that ex-prisoners are not the only way to encourage teens not to commit crimes.
But now I feel there is a discrepancy in meaning of overall idea.
In November 1768, he was appointed to the chair of law and economy founded expressly for him at the Palatine College of Milan. His lectures on political economy, which are based on strict utilitarian principles, are in marked accordance with the theories of the English school of economists. They are published in the collection of Italian writers on political economy ( Scrittori Classici Italiani di Economia politica , vols. xi. and xii.).  Beccaria never succeeded in producing another work to match Dei Delitti e Delle Pene , but he made various incomplete attempts in the course of his life. A short treatise on literary style was all he saw to press.