Page "1934 West Coast waterfront strike" Paragraph 5

Events soon made the MWIU wholly irrelevant.

Just as the passage of the National Industrial Recovery Act had led to a spontaneous explosion in union membership among coal miners in 1933, thousands of longshoremen now joined the fledgling ILA locals that reappeared on the West Coast.

The MWIU faded away as party activists followed the mass of West Coast longshoremen into the ILA.