Why is the Noel Hypothesis helpful in understanding how ideological (ethnocentrism) and differential in power (competition) led to the history of racial and class inequalities African American have experienced in the US? B) Can you then explain what has allowed for the creation of a Black middle class in America since the enactment of the 1967 Civil Rights Act? What mechanisms and larger societal factors allowed the birth of this class? C) Yet, why, according to Elijah Anderson and Healy, should we be concerned with the vulnerability of the Black Middle Class? Describe some of the new forms of racial discrimination that members of this class experience in the workplace or in public settings?