S. military. There are several arguments for this. First of all, the challenges and threats have significantly diversified from the period between the two wars. Then, the threats were exclusively state actors and state armies. The instruments to fight against this threat thus implied a technological advantage, essential in obtaining the upper hand in battle.

Nowadays, the threats are much more diverse and less obvious than they were then. Besides certain states, today there are numerous non-state actors that can be identified as potential threats for the national security. In many cases, the technological advance in the military field is not enough to consistently fight against such challenges. Excellent intelligence services and external collaborations may also be required in order to be able to identify potential enemies and successfully fight against them.

Second, the First World War saw most of the nations in battle at that point at the same...
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