In 1790, almost 10 out of every 11 workers in the United States were farmers. By 1890, only about one worker out of every eight was a farmer.
Which factor is most responsible for so many people no longer farming? *

Ghana, first of the great medieval trading empires of western africa (fl. 7th–13th century). it was situated between the sahara and the headwaters of the sénégal and niger rivers, in an area that now comprises southeastern mauritania and part of mali.