§ 3. #Functions of labor organizations.# Out of these conditions have grown the various kinds of labor organizations. Their first object is to maintain and increase wages. Closely connected with this is the remedying of various abuses in respect to methods of payment, measurement of the output, and conditions of work. Almost coördinate with the aim of higher wages of recent years has been that of the shorter work day. Labor leaders have frequently asserted when the two demands have been made together, that a reduction of hours is the more desirable. Better conditions of safety and sanitation in their work were not the first thought of laborers when they organized. As a result of habit and ignorance (widely prevalent at that time) they were remarkably unconcerned about this matter. Reforms in this direction at the outset had to come largely from sympathetic observers, the "philanthropists," often described as sentimentalists. But the modern, more enlightened, labor movement has better ideals and policies in respect to the safety, sanitation, and decency of the working places. Labor organizations have also secondary objects of very great importance. They are nearly always in some measure mutual-benefit associations, and provide in varying degrees insurance against accident, sickness, death, or lack of employment. All unions in a measure serve their members as employment bureaus, and some make this am important feature. Through trade-papers, correspondence, traveling members, and in meetings, information is exchanged regarding conditions of employment in various parts of the country. Labor organizations by means of their discussions and through their special periodicals are a strong educational force in matters political and economic. The local labor organizations often come to be the center of the social activities and interests of many of their members, and even of all the members of their families. The organizations thus serve the functions of social clubs, of literary societies, and of civic centers for their members. § 4. #Types of labor organizations.# Among the many organizations of wage-earners three main types may be distinguished: the labor union, the trade union, and the industrial union, tho often they are all spoken of as trade unions without distinction. A labor union admits all classes of wage-earners and even business and professional men into the same local chapter. The "Knights of Labor" is the most notable example that America has seen of this type. The national organization was composed of local chapters, to membership in which every one was eligible excepting bankers, lawyers, gamblers, and saloon keepers. Organized as a single local chapter in 1869 it grew very rapidly until it attained its maximum membership of 600,000 in 1886. From this point it rapidly declined in membership, and since 1900, altho its organization is still maintained, has been of very little influence.