look into the (((origins))) of the melting pot analogy, it is more recent than many would think and it was created by (((someone))) who wasnt even an american.    ael_zangwill  as someone who works in the industrial sector, you do know what happens when you mix various ores and minerals together. you can either get a high performance alloy or you get slag metal that has no structural integrity & no use apart from maybe being ballast.
United States