Which of these innovations was made possible by alexander graham bell?

What triumphs did the late 19th century witness in the realms of industrial growth, urbanization, and technological innovation? what challenges did these developments pose for urban dwellers, workers, and recent immigrants? how did city officials and everyday citizens respond to these challenges?

Explain how scientist from the scientific revolution and the catholic church tie together

What industry was exempt from the child-labor laws passed in the factory act of 1833?