I think they are still used and relevant today because people know that they are very significant. people take that they were written long ago into consideration and that makes it more valuable
It was hard to get to city center
the slums had bad air
and it is dangerous to live in
A factor that led to the growth of the factory system in the United States was the development of new power sources, it's true.
Your answer is going to be England.
I hope this helped!!!!!!!!!!!!! Please mark me as Brainiest
