texts indicate that silk came from seres
Answer: Social roles began to change.
Explanation:
With improvement in farming communities hunters weren’t as mandatory and farmers that grew successful crops began to move up in social status. Meaning less need for hunters more need for farmers etc..
The answer is "common sense".
The
initial source has to be common sense as idioms are usually metaphorical
statements which make sense and relate to the common life.
In
nature, birds of a solitary group do in actuality regularly frame groups.
Ornithologists clarify this conduct as a 'security in numbers' strategy to
diminish the danger of predation. In dialect terms, it was beforehand more
typical to allude to birds flying together than flocking together and numerous
early references utilize that frame.