In what way was technology most likely spread from one civilization to another

Which country experienced a noncommunist revolution for independence in the years after world war i?

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?

Why did joining the american cause have the potential to alienate lafayette and disgrace his family