New arrivals to the Auschwitz camp complex were immediately sorted into two groups, those on the left and those on the right. The few in the right-hand group would be sent to one of the various camps within Auschwitz to become forced labourers. The remaining majority were sent to Birkenau, otherwise known as Auschwitz II, where they were gassed and cremated. Birkenau, the death camp of Auschwitz, was also one of the few places where, historians confirm, music regularly accompanied selections and mass murder. Former inmate Erika Rothschild remembered this macabre accompaniment:
The concepts associated with the term "Blitzkrieg" - deep penetrations by armour, large encirclements, and combined arms attacks - were largely dependent upon terrain and weather conditions. Where the ability for rapid movement across "tank country" was not possible, armoured penetrations were often avoided or resulted in failure. Terrain would ideally be flat, firm, unobstructed by natural barriers or fortifications, and interspersed with roads and railways. If it was instead hilly, wooded, marshy, or urban, armour would be vulnerable to infantry in close-quarters combat and unable to break out at full speed. Additionally, units could be halted by mud ( thawing along the Eastern Front regularly slowed both sides) or extreme snow. Artillery observation and aerial support was also naturally dependent on weather.
Himmler visited Auschwitz in March 1941 and commanded its enlargement to hold 30,000 prisoners. Himmler also ordered the construction of a second camp for 100,000 inmates on the site of the village of Brzezinka (Birkenau), roughly 4 km from the main camp. This massive camp was intended to be filled with captured Russian POWs who would provide the slave labor to build the SS 'utopia' in Upper Silesia. The chemical giant I G Farben expressed an interest in utilizing this labor force, too. Extensive construction work began in October 1941, under terrible conditions and with massive loss of life. About 10,000 Russian POWs died in the process.
The fire signaled the demise of German democracy. On the next day, the government, under the pretense of controlling the Communists, abolished individual rights and protections: freedom of the press, assembly, and expression were nullified, as well as the right to privacy. When the elections were held on March 5, the Nazis received nearly 44 percent of the vote, and with 8 percent offered by the Conservatives, won a majority in the government.
Similarly, in Ordinary Men (1992), Christopher Browning examined the deeds of German Reserve Police Battalion 101 of the Ordnungspolizei ("order police"), used to commit massacres and round-ups of Jews, as well as mass deportations to the death camps. The members of the battalion were middle-aged men of working-class background from Hamburg, who were too old for regular military duty. They were given no special training. During the murder of 1,500 Jews from Józefów in Poland, their commander allowed them to opt out of direct participation. Fewer than 12 men out of a battalion of 500 did so. Influenced by the Milgram experiment on obedience, Browning argued that the men killed out of peer pressure, not bloodlust.
Around Birkenau are several nature conservation areas and a considerable number of hiking paths. These are found on the one hand in the woods around Birkenau, but on the other hand, the Höhenweg (“Height Way”, European walking route E1, plateau path between Birkenau and Reisen), for example, is also worth visiting, as there is a striking view over Birkenau and Nieder-Liebersbach.
"Blitzkrieg" has since expanded into multiple meanings in more popular usage. From its original military definition, "blitzkrieg" may be applied to any military operation emphasizing the surprise, speed, or concentration stressed in accounts of the Invasion of Poland. During the war, the Luftwaffe terror bombings of London came to be known as The Blitz. Similarly, blitz has come to describe the " blitz" (rush) tactic of American football, and the blitz form of chess in which players are allotted very little time. Blitz or blitzkrieg is used in many other non-military contexts.