Solidarity unionism is a model of labor organizing in which they formulate strategy and take action against the company directly.  It is a key pillar of anarcho-syndicalism . Organizations which use the model of solidarity unionism, such as the Industrial Workers of the World , the state of the art of the bureaucracy of the organization.  This is why organizations which use the solidarity unionism model often refer to other spells of labor organizing as bureaucratic unionism .
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