One of the most dramatic changes during the late 19th and early 20th centuries was the decline in agriculture and the rise of manufacturing. this caused a big drop in the numbers of farmers and a corr
One of the most dramatic changes during the late 19th and early 20th centuries was the decline in agriculture and the rise of manufacturing. this caused a big drop in the numbers of farmers and a corresponding surge in the number of factory workers. mobility due to such changes in jobs is called: