Why is the united states often referred to as a "melting spot“?

I believe that it is melting pot, but the reason is because of multiple cultures.

Explanation:

North America is blended together with cultures from all over the place, this being the reason it is called a melting pot.

in this scenario it would be the consumer demand as most influential in making the decision. the band members need to figure out where and from whom they will make the most money, in other words who out of the two consumer groups - football fans or car drivers - will spend their money, who is more likely to contribute to their cause and buy what they are offering.