The book examines the historical development and characteristics of the working-class movement within the United States. It analyzes the social, economic, and political forces that shaped this movement, focusing on the struggles and achievements of American laborers. The work likely draws upon historical documents, labor records, and contemporary accounts to present its findings.

This work is likely regarded as a significant contribution to the study of American labor history, offering a detailed account of the working-class movement's evolution. Its focus on historical context and socio-economic factors suggests a text aimed at scholars and students of history and sociology. The author's background as Eleanor Marx Aveling, a prominent socialist and labor activist, indicates a perspective grounded in socialist theory and a deep understanding of workers' struggles.