The largest segment of the U.S. population consists of

The largest segment of the U.S. population consists of
 
  a. Hispanics.
 b. non-Hispanic whites.
 c. multiracial individuals.
 d. blacks.

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Which of the following statements best describes the way our census has dealt with race in the past two centuries?
 
  a. Racial classifications have remained largely unchanged since the original census.
 b. Whereas the original census had a number of racial categories, the most recent census has only two.
 c. Race has never been a part of the U.S. census.
 d. Both the number and type of races available on the census has fluctuated throughout the years.