Give explanations for the following:
Why well-off Londoners supported the need to build housing for the poor in the nineteenth century?
(i)First, the vast mass of one-room houses occupied by the poor were seen as a serious threat to public health: they were overcrowded, badly ventilated, and lacked sanitation.
(ii)Second, there were worries about fire hazards created by poor housing.
(iii)Third, there was a widespread fear of social disorder, especially after the Russian Revolution in 1917.