The United States has Changed from a Melting Pot to a Vast Culture with Varying Racial Backgrounds. The United States, created by blending or melting many cultures together into one common man, known as an American. ³Modern communication and transportation accelerate mass migrations from one continent . . . to the United States (Schlesinger 21). Ethnic and racial diversity was bound to happen in the American society. As immigration began to explode, . . . a cult of ethnicity erupted both between non Anglo whites and among nonwhi