They differed from other union movements of the time by emphasizing decentralized organization as opposed to empowering leaders who would bargain with employers on behalf of workers. They were one of the few unions to welcome all workers including women, foreigners and black workers. Wobblies were condemned by politicians and in the Press who saw them as a threat to the status quo. Wobblies were arrested and killed for making public speeches. Considered to be one of the largest examples of anarcho-syndicalism? in action in the United States.
The government used World War I as an opportunity to destroy the IWW. The IWW newspaper, the Industrial Worker, just before the declaration of war, wrote: ``Capitalists of America, we will fight against you, not for you! There is not a power in the world that can make the working class fight if they refuse.'' In September 1917, Department of Justice agents made simultaneous raids on forty-eight IWW meeting halls across the country. 165 IWW leaders were arrested for conspiring to hinder the draft, encourage desertion, and intimidate others in connection with labor disputes.
For a more of the history of the IWW, see [Excerpts of IWW history] from A People's History of the United States by [Howard Zinn]?
web site: http://www.iww.org