What was the importance of casualties and death rates in world war i ?

As the new southern nation struggled for survival against a wealthier and ... The impact and meaning of the war's death toll went beyond the sheer numbers who died. Death's significance for the Civil Wargeneration changed dramatically 

Each city-state, or polis, had its own government. Some city states were monarchies ruled by kings or tyrants. Others were oligarchies ruled by a few powerful men on councils. The city of Athens invented the government of democracy and was ruled by the people for many years.

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