members") was a Waffen-SS lobby group, founded by former high-ranking Waffen-SS members in 1951. Primarily known for its historical revisionism campaigns, it played a key role in forming the perceptions of the Waffen-SS in popular culture. HIB-Aktion – "Into-the-Factories Campaign"; a part of the Nazi campaign to recruit factory workers. Hilfswerk Mutter und Kind (Mother and Child Welfare) – a welfare organization established to aid mothers and children in financial need. Hilfswillige (HIWIS; Helpers) – the foreign auxiliaries of the Wehrmacht, SS, and police who volunteered to assist the Nazis in various endeavors, be it manning anti-aircraft batteries, assisting in concentration camps, aiding in resettlement operations, transport and supply functions, or even participating in killing operations when assigned to the Einsatzgruppen. Hitlergruß (Hitler Salute) – the gesture used as a greeting in Nazi Germany which signaled obedience to Adolf Hitler and the Nazi party. Often accompanied by "Sieg Heil" or "Heil Hitler", it is one of the foremost abiding remnants of Nazi culture remaining today. While it is used in jest in the U.S., Canada, or England, it is actually against the law to use the gesture in Germany, the Czech Republic, Slovakia, and Austria. In other European nations like Switzerland and Sweden, it is only illegal when used to propagate Nazi ideology or the countenance thereof. Hitlerism is another term for Nazism used by its opponents. Hitlerproleten – "Hitler's proletariat"; what the Berlin working class Nazis called themselves (to distinguish themselves from the rest of the proletariat). (8) Hitler-Stalin-Pakt (also called the Molotov–Ribbentrop Pact and the Nazi-Soviet Pact) – treaty of non-aggression signed between Germany and the Soviet Union on 23 August 1939 which also stipulated that they (Germany and the Soviet Union) would aid the other in the event of military aggression from other powers. It also established spheres of influence between the two powers, anticipating territorial and political re-arrangements consequent a European conflict. The agreement remained in-force until the Nazis broke it by invading the Soviet Union during Operation Barbarossa on 22 June 1941. Hitler Youth (Hitlerjugend) – The German youth organization founded by the Nazi Party (NSDAP). Made up of the Hitlerjugend proper, for male youth ages 14–18; the younger boys' section Deutsches Jungvolk for ages 10–13; and the girls' section Bund Deutscher Mädel (BDM). From 1936 membership in the HJ proper was compulsory. Hoheitsabzeichen, or more specific Hoheitsadler or Reichsadler – national insignia (eagle and