Based on this week’s readings, explain the historical distinction between the following metaphors: “Melting Pot” and “Salad Bowl” and how it relates to the classroom

Based on this week’s readings, explain the historical distinction between the following metaphors: “Melting Pot” and “Salad Bowl” and how it relates to the classroom
https://www.iowastatedaily.com/opinion/article_29614c64-3ffe-56aa-9262-3e9438ac9ca2.htm