Which best describes military strategy during world war i?
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Trench warfare.

This military strategy during World War I was very defensive. This was when the use of different weapons, such as machine guns and artillery, became common and very effective. Troops would sit and wait, without running out in the open and pushing. This was a good strategy for the most part and saved a lot of people from aimlessly getting killed.

they have different colored collars

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.