Question

why did underground railway soon become necessity in London mention three disadvantages in this system

Answer 1

disadvantage are...

1.by construction of underground railways many people lost their homes many trees were also cutted..

2.the overcrowded compartment caused almost death to passenger due to asphyxiation and heat.

3 .the atmosphere of compatment was mixture of sulphur ,coal and dust ...which was very unhealthy for the peoples


I hope it will help for uuu..

Answer 2

I don't know the answer