A Ghetto, was the location were Jews during the WW2 were marginated, as the expression of an anti-semitic racial policy of Adolf Hitler that became institutionalized.
Most of the Ghettos were established all over Germany, Poland, parts of France. There the conditions for a living were extremely bad: they lacked the most essential things for a living. Many didn't have good energy and water supply. The security of the neighborhood is also compromised. Many unrest can happen and there is little to be done as authorities will not care. As leaving a Ghetto was illegal, the people escaping them were systematically executed.
Perhaps the most representative Ghetto is the nowadays Warsaw Ghetto, that serves as museum and memorial for Nazi crimes against humanity. This Ghetto once had almost half a million people living on it.
Below you can see how many Ghettos mostly in East Europe were later transformed into Death Camps:
Answer:
"Greeks created settlements along the Aegean coast of Ionia (or Asia Minor) from the 8th century BCE. Important colonies included Miletos, Ephesos, Smyrna, and Halikarnassos. Athens traditionally claimed to be the first colonizer in the region which was also of great interest to the Lydians and Persians."By google
In the early 1900s, Russia was one of the most impoverished countries in Europe with an enormous peasantry and a growing minority of poor industrial workers. ... The emancipation of serfs would influence the events leading up to the Russian Revolution by giving peasants more freedom to organize.
Testimonials with glittering generalities and plain folks with name calling.
I'm not sure what you mean by "historically", but there are many key features of London:
Big Ben
Buckingham Palace
the Thames River
London Bridge
London Eye
Trafalgar Square
Hyde Park
Westminster Abbey
the Globe Theater