With the outbreak of World War II the coalfields of Glamorgan saw a sharp rise in trade and employment. Despite the demand the want for the youth to conscript in the war effort in the valley areas meant that there was a shortage of workers to run the mines; this in turn saw the introduction of the Bevin Boys, workers conscripted to work in the mines. During the war both Cardiff and Swansea were targets for German air attacks due to their important docks.
With the outbreak of World War II the coalfields of Glamorgan saw a sharp rise in trade and employment Despite the demand the want for the youth to conscript in the war effort in the valley areas meant that there was a shortage of workers to run the mines; this in turn saw the introduction of the Bevin Boys, workers conscripted to work in the mines. During the war both Cardiff and Swansea were targets for German air attacks due to their important docks.