Answer:
Military communications have to be coded to keep them secret from the enemy. However the process of coding and decoding are time consuming processes. Furthermore the codes may be broken by the enemy. Nations have devoted considerable effort trying to create unbreakable codes. In World War II both Germany and Japan thought they had such unbreakable codes, but in fact these codes were broken and their most vital information were readily available to their enemies.
Explanation:
A. Building a network of roads.
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Answer: Nationalism has contributed to the militarization of states.
Explanation:
The beginning of the twentieth century brought a lot of intolerance among European countries. France and Britain were the leading colonial powers, and Germany and Austro-Hungary wanted a part for themselves. In such circumstances, extreme nationalism emerges. Countries are pursuing a rigid, militaristic policy so that the production of weapons and ammunition is growing in almost all European countries. This led to an increase in self-confidence, which is why they went to war so easily. Nationalism thus accelerated and accelerated the production of weapons.
A country needs rules about citizens cause in reality you cant have random people, bad record or not, coming in your country and just being a citizen instantly without any proof of trust, little do they know they could be a terrorist with the rights of a citizen just cause theirs no way to justify who's one or not.
