The unions that allowed African Americans were mostly those that were about hard physical labor. Things like the mine union, lonshoremen's union, railroad porter's union, or the general workers union. They accepted all workers who were willing to fight for improving the standard of the working class.
In the 1920s, notable unions open to African Americans included the Brotherhood of Sleeping Car Porters and some local branches of the United Mine Workers. Alongside this, the Longshoremen's Union and General Workers Union also provided opportunities for Black workers. Despite these efforts, many unions remained predominantly segregated and discriminatory against African American workers.
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