I think trenches had zigzag patterns because they could make people had a better aim at shot and more protection.
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Marx encabeza el Manifiesto Comunista con una tesis tajante: el motor de la historia es la lucha de clase. Y lo hace porque esta es la tesis fundamental del marxismo, la que le da su carácter revolucionario y ordena y jerarquiza todos su cuerpo teório
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They did not do much about it
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