Others, such as traders and moneylenders often referred to as Vaishyas were placed after them. Then came peasants, and artisans such as weavers and potters referred to as Shudras.
WW2 I believe/think. That would be my answer.
Answer:
ice glaciers melting
erosion of the ozone layer
air pollution
oil in the ocean and trash in the ocean
Answer: When we let the ego speak louder, it becomes dangerous because we find ourselves superior to everything and everyone around us.
One has many difficulties in assuming that one has made mistakes, thus never being able to learn from one's mistakes. This can end up affecting the realization that she herself is causing certain problems and may end up blaming and seeking other people for things that go wrong.