Why did general george armstrong custer bring troops into the black hills of the south

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?

Apurging of emotions, specially pity and fear

What is the impact of enlightenment ideals on the development of economic, political, and religious structures in the western world?