<span>Copernicus completely changed people's minds in the way they perceived the world and the planet in general. He shifted away Ptolemaic model of the heavens, and developed his own theory of the heliocentric model in which the Sun is placed at the center of the Solar System. As well as this person, most of the talented scientists of renaissance brought into people's life something new and, in some measure to those who was not prepared for big changes, shocking things.</span>
Answer:
yes indeed your right but
Answer is: <span>League of Nations.
League of Nations was formed at the end of WWI (10 January 1920) a result of the Paris Peace Conference. League of Nations was first international institution whose mission was to maintain world peace. At 1935 it has 58 members (states). The League of Nations endured for 26 years.</span>
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: