It led to recognition of post-traumatic stress as a legitimate psychological ailment
By exposing the citizen armies of Europe to prolonged and extreme
danger, World War One generated psychological casualties on an
industrial scale. This, in turn, created a military crisis that drew
doctors from a diverse range of specialties into the field of mental
health; never before had so much attention been focused on a single
psychiatric disorder.
When did the caste system evolve into a four tiered hierarchy?A.) when the Aryans ruled over the region - They arrived in 1500BC and developed the grouping of people based on their status and activities in life.
Answer:
The Patriots were the obvious winners in the Revolution; they gained independence, the right to practice representative government, and several new civil liberties and freedoms. Loyalists, or Tories, were the losers of the Revolution; they supported the Crown, and the Crown was defeated.