What was the immediate result of trench warfare for both sides?

If f(x) = 3x + 2 and g(x) = 2x - 2. what is (f - g)(x)?

Why did louis xvi call a meeting of the estates-general in 1789? how long had it been since such a meeting had been called?

Which of these titles are within the structure of the united nations? check all that apply. secretary admiral security council general assembly international criminal court economic and social council