Why is the united states negarded as a “melting pot” and a “salad”?用英文解答,

为什么美国被认为是一个“大熔炉”和“色拉”？
negarded 应该是regarded

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...