By looking at the 1849 poem, one reason that London's drinking water was polluted was because the Thames River was polluted. The river was polluted because it was filled with sewer, factory waste, and sink waste. Officials were paid off to ignore all of the pollution being dumped into the Thames River.
Air Conditioning invented by John Gorrie.
They brought different things with them, like different beliefs and religions. They also brought different technologies as in tools.
The new England colonies they could sell more manufactured goods