Compared to the American Federation of Labor, the Knights of Labor faced difficulty because it

The Knights of Labor tried to unite workers across many trades, including both skilled and unskilled workers. Their different needs and priorities could lead to disputes that made the organization harder to manage. The AFL focused mainly on skilled workers organized by trade, so it faced less of this particular difficulty. The Knights did have exclusions, but they did not refuse all groups entry; for example, they admitted women and Black workers.

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