Question

describe the problem of travelling underground train in London

Answer 1

There were man y problems associated with travelling underground in London ..........................
1. People were scared of travelling underground.
2. The trains released harmful gases
3. The people faced asphyxiation 
4  they were considered as iron monsters as they led to the destruction  of the entire city.

Hope it helps......Mark brainliest
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Answer 2

1. People were scared of travelling underground.

2. The trains released harmful gases

3. The people faced asphyxiation

4 they were considered as iron monsters as they led to the destruction of the entire city.