C. & D.
He killed himself because he could no longer tolerate the horrors of war, his own psychological abilities to deal with the horrors had turned on himself, so that he took his own life. And unlike a normal situation in life, the war had made it so that life and meaning were no longer relevant. They did not recognize the value of his life dead or alive, demonstrating another mental loss in the psychology of warfare.
Answer:
Synthetic Method: Acids are prepared by direct combinaion of elements
Equation: H2+C1-------> 2HC1
By Dissolving acidic oxides into water: Some oxides dissolve in water to give acids
Equation: SO3+H2O-------> H2SO4
By the action of an acid on the salt of another acid: An acid having a higher boiling point can react with the salt of an acid of lower boiling point to produce an acid.
Equation:H2SO4 + NaC1-------->NaHSO4 + HC1
Answer:
Accept is to receive, and except is to exclude