Where is the question?????
The decline of the Roman Empire allowed for the nations of England and France to develop.
The Anglo-Saxons took over after the fall to form England. The rise of the Franks was where Germanic kings led loosely united clans which eventually formed into France.
It didnt, its all fake news
They created a new economy by recognizing the issues that the poor people faced in 1890s to 1920. Remember the rich made off money of the poor, after a while when the poor discovered that was happening. Workers went on strike for the such low income and working conditions.