Why were john and irene Emerson important ?

This is a picture of workers in a factory. why was this picture most likely taken? to advertise that kids could get jobs to expose the horrors of child labor to show pride in children at work to show that night workers were needed o

Of the following, who would be the least affected by the telegraph? eastern industrialists western businessmen city dwellers native americans

Based on this map, approximately how far did the songhai empire stretch east tward into the interior from the coast