Question

how was infrastructure developed after the 1840s

Answer 1

the railway network expanded rapidly in britain from around 1840.In britain, telegraph developed simultaneously with the railways as the means of signalling.In the US, telegraph developed with the invention of the morse code, a code that was used for telegraph messages

Answer 2

their were many reasons such as introduction of electric telegraph by Samuel Morse , opening of great opportunity for employment,new railways station came up during this region connecting many cities and even rural areas