Question

Three reasons for which the population of London expanded during the 19 century

Answer 1

1.london is one of the best developed cities in the world.in 19th century it is the main reason to expand the population is Shilpa bipblab.

Answer 2

1)- due to migrated people 
2)- poor condition of rural area 
3)- there's a dockyard where most of them get their livelihood

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