What jobs did men do in the 20th century?

In the 20th century, men predominantly worked in industries such as manufacturing, construction, and transportation, often taking on roles as factory workers, skilled tradesmen, and laborers. Many also held positions in management, finance, and professional fields like law and medicine. The rise of technology and the service sector later in the century saw men increasingly involved in roles related to information technology and office management. Additionally, during wartime, many men served in the military, which significantly influenced workforce dynamics.