Nirvana. It is the goal in following the Noble Eight-fold Path.
Answer:
The poorer areas of the cities were characterised by overcrowded, badly built, unsanitary living accommodation, and filthy streets. Cholera, carried by dirty water, killed 16,000 Londoners in 1849 alone, and smallpox, scarlet fever, typhus, scurvy and rickets were rife.
Many people are of mixed ancestry
Because the Chinese workers work more for less pay