American society has often been described as a melting pot but in recent years, it has also attracted other definitions such as "tomato soup" and "tossed salad". For centuries, the US has attracted people in search of a share of "the American dream" from all corners of the world. In fact, US history is one of immigration. In 1620, about 100 English colonists, so-called "Mayflower Pilgrims" left for America seeking religious freedom. They landed near Plymouth, Massachusetts, marking the start of the first successful European migration to North America, which had been inhabited by Amerindian people for more than 16,000...