The Great Migration of African Americans to northern cities shifted political power and intensified pressure on unions for integration.
The arrival of thousands of black people to northern cities:
The migration of African Americans from the rural South to the urban North, known as the Great Migration, had significant social and political implications. It altered the demographic landscape of cities, leading to shifts in political power and increased pressure on unions to address racial integration issues.
https://brainly.com/question/39012259