(A) Luftwaffe
(B) ** Blitzkrieg
(C) Appeasment
(D) Nonagression
EXPLANATIONS BELOW
Concept note-1: -"Blitzkrieg, ” a German word meaning “Lightning War, ” was Germany’s strategy to avoid a long war in the first phase of World War II in Europe. Germany’s strategy was to defeat its opponents in a series of short campaigns.
Concept note-2: -Most famously, blitzkrieg describes the successful tactics used by Nazi Germany in the early years of World War II, as German forces swept through Poland, Norway, Belgium, Holland and France with astonishing speed and force.
Concept note-3: -The Germans used blitzkrieg tactics to startling effect in Poland (1939), France (1940), Russia (1941), and the Ardennes (1944), although technically speaking, true blitzkrieg ala Guderian was used only in the first two campaigns (Guderian would later be sacked for disagreeing with Hitler’s decisions in Russia).
Concept note-4: -Blitzkrieg tactics were used in the successful German invasions of Belgium, the Netherlands, and France in 1940, which saw audacious applications of air power and airborne infantry to overcome fixed fortifications that were believed by the defenders to be impregnable.
Concept note-5: -Blitzkrieg, meaning ‘Lightning War’, was the method of offensive warfare responsible for Nazi Germany’s military successes in the early years of the Second World War.