They used levees, which were walls used to keep water flowing where it was wanted/ needed.
So, if your army consists of untrained and unskilled volunteers - the only chance you have is winning in numbers. However, sometimes even that isn't enough. If you don't have strong, well built, and skilled warriors to defend your nation - an attack could leave you vulnerable to a collapse.
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I think the answer is A.
Explanation:
Because it is the main point of communism.
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:
Answer:
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