Tragic, horrifying, devastating, these are the words that come to mind when thinking of the holocaust. No one could have imagined the sickening events that transpired during the rise and fall of the Nazi army. The Nazi's appointed doctors and scientists to perform many experiments and testing on different groups of people, which for the most part ended in death. Concentration camps were introduced for the slave labor and mass murders of the Jews and POW (prisoners of war). Ghettos were also established to hold the Jew's until they were later sent to concentration camps. Adolph Hitler ruled with an iron fist and had his ideological mind set led the world to dark time. Originally the experiments conducted on prisoners of the Nazi army were claimed to be designed to help the Germans in combat situations and advancements on racial ideology. Being backed by the Third Reich, the doctors would perform many experiments and testing, some of which include; freezing or hypothermia, genetics, infectious diseases, interrogation and torture, killing or genocide, pharmacological, sterilization, surgery and traumatic injuries. Some people have claimed that the experiments conducted led to huge advancements in medical research, but many others see it as pure torture. Any people who did not conform to Hitler’s ideology of blond hair and blue eyes, and was of the race of Jewish, blacks, Hispanics, gypsies or even homosexuals became test subjects. Hitler was also extremely fascinated by twins, in turn led to the endless experiments on twins. These experiments left many siblings watching there genetically identical counterpart tortured suffering and for the most part dying. For the most part the tests that were completed only uncovered that humans was how long and under what conditions people could survive before dying after being injected with various germs, and how long they could survive in nearly freezing water or subzero temperatures. As a result of the experiments most of