Based on the map of the railway system in England and Wales (1845-1914), how did the state of rail lines change during the period represented in the maps?

... Based the map of the railway system in England and Wales (1845-1914), how did the state of rail lines change during the period represented in the maps? 4b.  The technological innovations of the Industrial Revolution in Great Britain, and the innovations developed elsewhere when industrialization spread to other countries, changed the course of human history and paved the way for our modern lives. These advances accelerated human technological achievement to a pace that people had never experienced before.

Explanation:

answer; have joints that fail from excess by early the accumulated effects of unnoticed infections,all of these things are possible for a person born without the ability to feel pain;