During the Industrial Revolution (1760-1890), people began moving to more heavily indstrualized countries. Such as Britian, France and Germany.
The conditions in the factories were bad, workers often lived in cramped spaces. They were also exposed to dangerous chemicals by the machines due to poor ventilation.
It wasn't just the chemicals, the machinery were also dangerous to operate as well.
The Industrial Revolution changed the way people lived by offering more jobs to people. The upper-class and middle-class workers were paid better and as a result, were able to move away from all the poverty.
However, the poorer workers would not get the same work hours or payment as the upper and middle class. Their standard of living had decreased as they needed to work more hours and got paid less.
First boats allowed for people to migrate and they lived along bodies of water. Then with horses they could travel a bit farther. Trains were a big advancement. People could travel long distances in a short amount of time. And next of course came cars and eventually planes which advanced and became more efficient.
The answer is D I got. We’re learning about this is class.