Which of the following is true of African American workers in the early 1930s?

Which of the following is true of African American workers in the early 1930s?
 
  a. Laws were passed in several southern states making it illegal to hire an African American for a job if therewas also a white applicant.
 b. African Americans living in the South generally fared better in finding employment than those living in otherregions.
 c. Many African Americans joined the militant Black Shirts organization, which advocated the violentoverthrow of the American government.
 d. African American workers in the North usually found that as industry cut production, they were the first tobe fired.