What brought together southeren whites northeren blue collar workers poor midwesteren farmers and African Americans?

Southern whites, Northern blue-collar workers, poor Midwestern farmers, and African Americans were united by their shared struggles against economic hardship, systemic inequalities, and social injustices. During the Civil Rights Movement and labor movements, these groups found common ground in advocating for better wages, civil rights, and economic opportunities. Additionally, the impact of policies and economic shifts, such as the Great Depression, highlighted their collective vulnerabilities, fostering a sense of solidarity in the pursuit of social and economic justice.