Mass production led to a decrease in the demand for skilled workers. The reason for this was that craftsmen no longer needed to get a boy of a young age who would stay with them for many year where they would teach him the craft they were good at. All of this was changed by machines which were more efficient, faster didn'ttire, and required minimal maintenance compared to a human being. For this reason, the demand for skilled workers decreased.
The term melting pot means a mix of cultures and traditions from all people in the United States. There is not one specific culture for the whole country
