A lot of countries underwent a loss of food and money. Also live stock was down because there was not enough food to feed the animals.
Baby Boomers would be your answer to this question
C. Aryans
The Aryans had introduced South Asia to a system of castes with the intention of controlling the local population.
Answer:
The teachings of the Buddha are aimed solely at liberating sentient beings from suffering. The Basic Teachings of Buddha which are core to Buddhism are: The Three Universal Truths; The Four Noble Truths; and The Noble Eightfold Path.