CONFLICT AND RECONSTRUCTION 57 alternative but to throw aside all restraints and to use their organized strength to protect their economic welfare. They contended that they could not suffer further delays in securing wage adjustments, but were forced by current conditions to resort to direct action. WAGE ADJUSTMENTS OF MINE WORKERS AND RaiLway EMPLOYEES In the meantime, in the early part of the year 1920 the Transportation Act had been passed by the Congress, mak- ing provision for the return of the railroads to private ownership and operation, and creating the Railroad Labor Board for the adjustment of outstanding wage contro- versies. All classes of employees at once submitted their complaints. They denounced the “vicious circle” theory, as to the alleged relation between wages and prices, as wrong in fact and principle. They contended that rates of pay should at least be advanced to keep pace with living costs, but that the cost-of-living principle in itself was unacceptable, as it merely perpetuated, at best, preexisting standards. The demand was also made that all employees not receiving a “living wage” be granted a wage sufficient to maintain an average family on a level of “minimum health and decency,” and above this basic wage existing differentials should be maintained for higher grade em- ployees in accordance with their skill, responsibility, haz- ard, and productive efficiency.! The United Mine Workers of America, after interven- tion by the Federal Government, agreed to end their strike and submit their grievances to arbitration. An arbitration board was selected by the President, and hearings began in Washington in January, 1920. In presenting their 1 Proceedings Before, and Exhibits Submitted to United States Railroad Labor Board, Washington, D. C.. May. 1920.