Historical sources - the entire set of documents and artefacts .... And the answers depend entirely on the given questions<span> . <span>... A historian who studies the </span></span>sources<span> , </span>must<span> be sought in their response to any ... These </span>sources<span> usually do not contain </span>reliable<span>information about the saints themselves</span>
The American Federation of Labor was national federation of labor unions in the U.S. They emerged from a dispute with the Knights of Labor organization. They organized workers in craft unions.