How were chemical attacks used in world war i? a. poison gas was sprayed over battlefields by airplanes to weaken enemy positions before major attacks. b. canister of position gas were launched into enemy positions so that clouds would kill or injure soldiers. c.mustard gas, while not deadly, was used to demoralize enemy troops prior to an attack. d. chemical attacks were used to clear barbed wire from no-man's-land so troops could advance.

a. poison gas was sprayed over battlefields by airplanes to weaken enemy positions before major attacks.

frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. but frederick disliked rifle shooting and horseback riding. unlike his father, he was interested in french literature. he enjoyed poetry and music and, like some others of the enlightenment, he scoffed at religion. his father thought him soft, frivolous and unmindful of his duties. and when frederick refused to put his signature on a right to succession, for a few moments his father strangled him.

the deaths of over a million communist soldiers

post-traumatic stress disorder in veterans