Forced to leave their homes, the Hereros were pushed to the desert. In the desert, the water was poisoned, and the heat was unbearable. In the Holocaust, Jews were segregated into both ghettos and concentration camps. When Nazis would invade a city in Europe, they would force all the Jewish people into one are of the town, which was known as a ghetto. In order to separate the Jews from all outside help and life, the ghettos would usually be fenced with barbed wire and guarded. Inside the ghetto, the conditions were terrible because there was little food, water, and medicines available, and the living spaces were also very crowded. The most well known ghetto was the Warsaw Ghetto, the largest ghetto in Poland. 400,000 people lived in the ghetto, and it was one of the first successful resistances. The Polish Jews were resisting deportation to the Treblinka extermination camp. Concentration camps also played a big role in Hitler’s plans for the extermination of Jews on a mass scale. Jewish people were told that they were relocations to a better place, but in reality, they were brought to concentration camps. In concentration camps, people were forced to complete hard labor. Many people died from overexertion and starvation. By the end of the war, 22 main concentration camps and 1,200 smaller camps were established. Some