During world war i, 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.

:) during the cold war, people were afraid of communists, both outside and inside the united states. the red scare and mccarthyism that grew out of these fears were damaging to the american way of life. during the mccarthy years, many of the freedoms guaranteed in the bill of rights were limited. write a paragraph explaining what lessons can be learned from the mccarthy era about what u. s. citizens need to protect in order to preserve the democratic political system and the american way of life.