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.
. . . that would be a <u><em>clipper ship</em></u>
this would be a larger vessel meant for traveling long distances quickly & smoothly resulting from it's construction using a narrow/streamlined body & large sail spread to catch the wind.
Answer: I would have to say the first one. Because saying that I live in Nevada, I know that they had to build to the Rocky Mountains, and the Sierra Nevada's.