Trenches were common throughout the Western Front. Long, narrow trenches dug into the ground at the front, usually by the infantry soldiers who would occupy them for weeks at a time, were designed to protect World War I troops from machine-gun fire and artillery attack from the air.
Answer:
shutting down the slave trade
Explanation:
During the thirty years leading up to the Civil War, anti-slavery organizations proliferated, and became increasingly effective in their methods of resistance. As the century progressed, branches of the abolitionistmovement became more radical, calling for the immediate end of slavery.
