Which statement best describes the Puerto Rican population?

Which statement best describes the Puerto Rican population?
 
  a. They are not technically immigrants.
  b. They are considered a conquered group.
  c. They must obtain a special visa to enter the U.S.
  d. They share a heritage of slavery with blacks.

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In a national survey of Latinos in 2010, about ___________ of respondents said they or a family member had experienced discrimination based on race or ethnicity in the past five years. Interestingly, ___________ of Americans say that Hispanics are discriminated against a lot.
 
  a. one-fifth; one-fifth
  b. one-third; one-quarter
  c. one-half; one-half
  d. two-thirds; one-third