Precambrian time, period of time extending from about 4.6 billion years ago (the point at which Earth began to form) to the beginning of the Cambrian Period, 541 million years ago. Precambrian time encompasses the Archean and Proterozoic eons, which are formal geologic intervals that lasted from 4 billion to about 541 million years ago, and the Hadean Eon, which is an informal interval spanning from 4.6 billion to 4 billion years ago. The Precambrian represents more than 80 percent of the total geologic record.
Answer: diplomacy fortification and logistics
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Here, that’s the answer for your question
<span>if you mean the civil war they were used to silence critics with the threat of arbitrary arrest.
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That the Schlieffen plan failed, The French were unable to defeat the Germans completely at the Battle of the Marne.
