Greg is preparing a speech about racism in America. He has written down a few examples to illustrate his points. Which of the following would be the least effective choice for Greg to include in his speech? a. a White person waits to ride the next elevator when a person of color is on it b. a teacher travels each year to visit family in South Africa c. a White woman clutches her purse as a Black or Latino person approaches d. making the statement: “I’m not a racist. I have several Black friends.”