The pervasiveness of music forms such as hip-hop and rap in American popular culture best ...

The pervasiveness of music forms such as hip-hop and rap in American popular culture best illustrates the concept of:
 
  a. racial assimilation.
  b. structural adaptation.
  c. racial integration.
  d. reverse assimilation.

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Which of the following couples illustrate the highest level of primary structural assimilation?
 
  a. Jonah, a black male, and Jessica, a white female, are married.
  b. Jonah and Jessica, both African Americans, enjoy going to the ballet.
  c. Jonah and Jessica, both white Americans, often volunteer at homeless shelters.
  d. Jonah and Jessica, both African Americans, take Swahili language lessons.