The Wobblies' leader in Portland at the time, was accused of murder, making other unions distance themselves from them.
In 1919, during the Red Scare, the meeting hall of the IWW was seized after Oregon passed a "criminal syndicalism" law in 1919.
[2] In 1920 many of the Wobblies who weren't killed or jailed changed trades from the lumber industry to maritime work.
[3] The International Longshoremen's Association (ILA) was established in Portland Oregon around 1909, and it was not a strong union yet.
The violence led to the employers to getting a court order that stopped any gatherings of union members in certain places.
After 1922 ILA was not longer operational in Portland, and all that remained of the union was the name International Longshoremen Association.
The employers had killed the unions on the Portland waterfront, and for now had nothing to worry about when it came to hiring their dock workers.
This new system of hiring would create new conflict that would rise again in another 11 years, and would be a reference for the Portland water strike of 1933.
Two conflicting unions that were now un- operational, because of employers wanting to take control over the hiring system.
[11] The Portland Waterfront strike of 1922 showed that employers could overpower the union, and that they did not have to give in to the demands of the strikers.
Johnston, Robert D. The Radical Middle Class: Populist Democracy and The Question of Capitalism in Progressive Era Portland, Oregon.