Following a sharp drop in the demand for coal in the the mid 1920s, the mining industry started laying off men, which had disastrous consequences for the Welsh language and Wales. By the early 1930s places like the Rhondda had mass unemployment. During this time, some Welsh speakers decided not to pass on the Welsh language to their children as jobs were more likely to be found in England.
In groups, learners could compile a list in order of importance of the various reasons why the Welsh language declined in the industrial heartlands of Wales uring the 1920s. A classroom discussion could take place to discover what students think are the main reasons for the decline of Welsh speakers during this period.