- A guided reading with link to FREE, NEW ONLINE TEXTBOOK-Answer Key included-Coincides with my intro to sociology chapter 10 unit, but can be used as an independent activity for a deeper look into race and ethnicity in America-The packet covers the following topicsHistory of race relations in America, John Howard Griffins 1950's experiment, Gunnar Myrdal and The American Dilemma, WEB DuBoisThe definitions of race, ethnicity, stereotypes, scapegoats, assimilation, genocide, model minority, the s