A)a new defensive tactic known as trench warfare
Trench warfare allowed the war to drag on for long periods of time because of the stalemates that ensue from the opposing armies refusing to give up the land under their controls, resulting in high casualties in no man's land.
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That city would be <span>otrar
Before entering otrar, Gengis khan gave a warning to the city leader to surrender and bow down to is Rule or all of the citizens were going to be massacred. Otrar initially saw that as an empty threat but one year later Gengis Khan proved that he never threw a threat that he couldn't accomplish.</span>
When Robert Lee invaded the north for the second time, what
he wanted to accomplished are the following;
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He wanted to force Lincoln to pull out the
troops
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He wanted to gain supplies for the Confed war
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He wanted to gain the union’s political balance