1.why is trench warfare is important in WWI 2.why is weapons and technology is important in WWI

Need help please

Trench warfare was important during The First World War. ... Trenches were used to protect solders from machine guns from the opposing side.

Scientists and inventors on both sides worked throughout the war to improve weapon technology in order to give their side an edge in the fight.

the percentage of students at the school need special diets is

c) 10 percent

nations must cooperate to bring about and maintain world peace.

nations must not wage wars or commit war crimes in a desire to control other nations.

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