Answer:
Trench warfare was a technique used to fight in World War 1. As they could hide/defend there. Get supplie there. They could even have medical areas there, but the problem was a stalemate as that was such a thing that no one attacks and they stay without moving on in the battle.
Answer:
x=5.6 y=4.8
Step-by-step explanation:
32,347,345.5 people died in the year 200
