A: (most thought of)
Hitler
swastica
Lugar pistol
German helmets
Panzer tanks
arial bombardment (especially at night)
holocaust
concentration camps
B: (also thought of)
Mauser rifle
u-boats
zeplins
cruelty
elitism
master race
blonde hair, blue eyes, Aryan
C: (least thought of)
MG34 machine guns
MP38 machine pistol
P38 pistol
PPK police pistol
encrypted communications (ENIAC)