What was one major reason given by adolf hitler to justify his demand for additional territory between 1936 and 1939

The correct answer is: "the living space policy".

One of the basics of the nazi ideology was that they believed in the superiority of the Aryan German race and that they sought to create a large empire, to ensure that this race had the appropiate "living space"dimenssions, acording to its prestige. This is why, under the nazi leadership, Germany started to annex territories from neighbour European countries.

john maynard keynes developed new economic theories in response to the stock market crash of 1929. great depression of the 1930s. first and second world wars. economic boom of the 1950s.

the answer would be logic.