How is the U.S prison system defined?

Thinking about the U.S. prison system, develop a thesis-driven essay using the structure (criteria-match) of a definition argument. The question your responding to is: How is the U.S prison system defined? Is the U.S. prison system good? Use and cite 2 sources. Essay is to be written in MLA format. Works cited page at the end is required. 2-3 full pages excluding the works cited page.