An agreement similar to the New York one was concluded in 1900 between the National Metal Trades' Association and the International Association of Machinists. The National Metal Trades' Association had been organized in 1899 by members of the National Founders' Association, whose foundries formed only a part of their manufacturing plants. The spur to action was given by a strike called by the machinists in Chicago and other cities for the nine-hour day. After eight weeks of intense struggle the Association made a settlement granting a promise of the shorter day. Although hailed as one of the big agreements in labor history, it lasted only one year, and broke up on the issue of making the nine-hour day general in the Association shops. The machinists continued to make numerous agreements with individual firms, especially the smaller ones, but the general agreement was never renewed. Thereafter the National Metal Trades' Association became an uncompromising enemy of organized labor. In the following ten years both molders and machinists went on fighting for control and engaged in strikes with more or less success. But the industry as a whole never again came so near to embracing the idea of a joint co-partnership between organized capital and labor as in 1900. (4) _The Employers' Reaction_ With the disruption of the agreement systems in the machinery producing and foundry industries, the idea of collective bargaining and union recognition suffered a setback; and the employers' uneasiness, which had already steadily been feeding on the unions' mounting pressure for control, now increased materially. As long, however, as business remained prosperous and a rising demand for labor favored the unions, most of the agreements were permitted to continue. Therefore, it was not until the industrial depression of 1907-1908 had freed the employers' hands that agreements were disrupted wholesale. In 1905 the Structural Erectors' Association discontinued its agreements with the Structural Iron Workers' Union, causing a dispute which continued over many years. In the course of this dispute the union replied to the victorious assaults of the employers by tactics of violence and murder, which culminated in the fatal explosion in the _Los Angeles Times_ Building in 1911. In 1906 the employing lithographers discontinued their national agreement with the lithographers' union. In 1907 the United Typothetæ broke with the pressmen, and the stove founders with the stove mounters and stove polishers. In 1908 the agreements between the Lake Carriers and Lumber Carriers (both operating on the Great Lakes) and the seafaring and water front unions were terminated.