http://www.1biz-dir.com/business_and_economy/Labor_and_Staffing/One business web directory orientated for best website optimization and recognition which gives unlimited online access to the most accurate, up-to-date company profiles for ALL businesses in the U.S. and Canada and threwout the world. Add your business.. labor, term used both for the effort of performing a task and for the workers engaged in the activity. In ancient times much of the work was done by slaves . In the feudal period agricultural labor was in the main performed by the serf. In medieval towns, however, the skilled artisans of the craft guilds became influential citizens. Many manual labor jobs were eliminated with the introduction of machinery , thus creating a labor surplus . With increased competition for jobs and consequent decreasing wages, a form of labor contract came into use in Great Britain and its colonies, called indenture, by which people could hire themselves out for a certain number of years either for a lump sum of money or to pay off a debt. This practice disappeared by the end of the 19th cent. From the last quarter of the 19th cent. the condition of most manual labor has improved slowly in industrial countries through organization , permitting collective bargaining with employers and successful pressure on governments for protective legislation. In fact, the term labor is today most frequently used to signify organized labor