Why did trench warfare result in such horrific casualties? Question 21 options:

because artillery and machine guns had made capturing an enemy's position nearly impossible

because combatants were forced to use knives and bayonets in order to capture an enemy's position

because life in the trenches was difficult, with scarce food and a lack of water and medicine

because generals were unaware of an enemy's position and often walked into traps

Explanation:

After the early war of movement in the late summer of 1914, artillery and machine guns forced the armies on the Western Front to dig trenches to protect themselves. ... Over the next four years, both sides would launch attacks against the enemy's trench lines, attacks that resulted in horrific casualties.

it provided for selection of government employees through competitive examinations. it also made it unlawful to fire or demote covered employees for political reasons or to require them to give political service or payment, and it set up a civil service commission to enforce the law.

explanation: