A Calculus of Color: The Integration of Baseball's American League

In 1947, as the integration of Major League Baseball began, the once-daring American League had grown reactionary, unwilling to confront postwar challenges--population shifts, labor issues and, above all, racial integration. The league had matured in the Jim Crow era, when northern cities responded to the Great Migration by restricting black access to housing, transportation, accommodations and entertainment, while blacks created their own institutions, including baseball's Negro Leagues.

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