Ryan and the union's regional and local leaders regained much of the lost ground, but often at the cost of diminished centralization. Nonetheless, membership again soared, increasing as much as sixfold in as many years in some districts. But the process of rebuilding was not without hurdles. After the largely successful 83-day 1934 West Coast longshore strike, Pacific coast longshoremen voted to secede from the ILA and joined the Congress of Industrial Organizations as the International Longshore and Warehouse Union.