This Union that grew rapidly because of a combination of their open-membership policy, the continuing industrialization of the American economy, and the growth of urban population; welcomed unskilled and semiskilled workers, including women, immigratns, and African Americans;

The Knights of Labor

The Knights of Labor.

Knights of Labor was created in 1869.

The full name for the Knights of Labor is the "Noble and Holy Order of the Knights of Labor". It was shortened to make it easier to say and to remember.