Why is the united states negarded as a “melting pot” and a “

First,the "melting pot" and "salad" stands for the mixture of different things。US is regarded as a "melting pot" and a "salad" is because it is a country made up of many different people:13% are black,12% are Hispanic,4% are Asian and the rest are White Americans。As the same,the culture of US is also mingled from different culture of different people in it。Because of these,it is really like a mixed country。