During world war 1, the zigzag pattern of trenches on the front lines was designed to ?
a. provide a place from which to fire on the enemy
b. supply soldiers with a place to store weapons
c. protect troops from enemy fire
d. shield machine guns from enemy attack

C -Protect troops from enemy fire

During world war 1, the zigzag pattern of trenches on the front lines was designed to protect troops from enemy fire. The trenches were dug in a zigzag pattern instead of the usual straight pattern. In World War I, trenches were built in zigzag pattern with many different levels along the lines. In order to make sure there is movement for the soldiers, paths were dug between these levels.

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explanation:

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in which two ways were the northeast woodland indians and the southeast indians similar? both collaborated to form the iroquois confederacy. both cultivated the crops of corn, beans, and squash. both lived in rich environments of swamps and rivers. both lived in tree-bark dwellings called wigwams. both expected men to hunt, while women farmed.