Field entrenchment

Field entrenchment is the activity of provision of cover and , usually by the Infantry Arm of Service, possibly with assistance from combat engineers or sappers. The entrenched position is intended to be a temporary one, taking maybe a day to create and to be held for no more than a week. However, during World War I these entrenched positions were progressively made more sophisticated over longer periods, leading to their evolution into tactical, operational and strategic stalemates and the emergence of trench warfare.

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