Upon his release Hitler quickly set about rebuilding his moribund party, vowing to achieve power only through legal political means thereafter. The Nazi Party’s membership grew from 25,000 in 1925 to about 180,000 in 1929. Its organizational system of gauleiters (“district leaders”) spread through Germany at this time, and the party began contesting municipal, state, and federal elections with increasing frequency.
Those deported to Auschwitz arrived at the nearby train station and were marched or trucked to the main camp where they were registered, tattooed, undressed, deloused, had their body hair shaven off, showered while their clothes were disinfected with Zyklon-B gas, and entered the camp under the infamous gateway inscribed 'Arbeit Macht Frei' ("Labor make you free")
Since the prisoners were now needed for their labour, living conditions improved for a short time. From the end of 1943 onwards, inmates were also deployed in the construction of underground factories, for example those in Melk, Ebensee and St. Georgen an der Gusen. The murderous working conditions that prevailed at these sites soon led to a dramatic rise in the number of victims.
The National Socialist German Workers' Party (German: Nationalsozialistische Deutsche Arbeiterpartei (help·info), abbreviated NSDAP), commonly referred to in English as the Nazi Party (English: /ˈnɑːtsi, ˈnætsi/), was a far-right political party in Germany that was active between 1920 and 1945, that created and supported the ideology of Nazism. Its precursor, the German Workers' Party (Deutsche Arbeiterpartei; DAP), existed from 1919 to 1920.
After Nazi Germany unleashed World War II in September 1939, vast new territorial conquests and larger groups of potential prisoners led to the rapid expansion of the concentration camp system to the east. The war did not change the original function of the concentration camps as detention sites for the incarceration of political enemies. The climate of national emergency that the conflict granted to the Nazi leaders, however, permitted the SS to expand the functions of the camps.
The commander of Auschwitz-Birkenau, Rudolf Höss, stated in his autobiography that in 1941 (no exact date is given) he was summoned to Berlin, where Himmler informed him that Hitler had issued an order to solve the “Jewish Question” for good, and that the order was to be implemented by the SS. “The existing extermination places in the east are unsuited to a large scale, long-term action. I have designated Auschwitz for this purpose,” Himmler said.
Use of the word "concentration" came from the idea of confining people in one place because they belong to a group that is considered undesirable in some way. The term itself originated in 1897 when the "reconcentration camps" were set up in Cuba by General Valeriano Weyler. In the past, the U.S. government had used concentration camps against Native Americans and the British had also used them during the Second Boer War. Between 1904 and 1908, the Schutztruppe of the Imperial German Army operated concentration camps in German South-West Africa (now Namibia) as part of its genocide of the Herero and Namaqua peoples. The Shark Island Concentration Camp in Lüderitz was the largest camp and the one with the harshest conditions.