The answer to the first question is: the king of India, he never conquered India. The answer to the second: Phalanxes. The phalanxes were based on the usage of long spears, that would stop the enemy advancing.
Shell shock is basically PTSD and it was thought to be caused by soldiers being exposed to explodeing shells
Birth,puberty, marriage, and death that's the four answer
I think it would be B- to provide a fair report of business practices
Slaves and peasants were dying quickly and vastly caused a high loss of work for the upperclass civilians... the peasants could go on "stike". They were able to demand more turning the system on its head.