By the middle of the twentieth century, the white working-class American, wrote the white southern author Lillian Smith, “has not only been neglected and exploited, he has been fed little except the scraps of ‘skin color’ and ‘white supremacy’ as spiritual nourishment.” Working-class whites, the preeminent social economist Gunnar Myrdal wrote, “need the demarcations of caste more than upper class whites. They are the people likely to stress aggressively that no Negro can ever attain the status of even the lowest white.”