Working class such as miners, farmers, and city workers. and Royal class kings queens stuff like that.

People play a very important role in the process of development as :
- People themselves are a part of development
- Contribution and a small hand itself from the side of people provide a great help.
- Mutual understanding amoung other people and spreading of awareness.
Answer:
The correct answer is:
Sensorimotor stage.
Explanation:
According to the theory of cognitive development proposed by the psychologist Jean Piaget, the human being goes through certain stages during evolution and growth from birth. He explains that during the Sensorimotor stage that goes approximately from birth to the age of 2, children develop a familiarity with their surroundings through the motor processes, that is to say the ones that are related to the movement, around them using their senses for such perception of the environment.
Therefore in this case, the child would be in the early sensorimotor stage when he has not yet developed completely his abilities to understand the movement of the train and simply loses interest.
I believe the answer is the interaction of nature and nuture.
Hope it helps have a nice day!
Answer:
new technology
Explanation:
Structural unemployment is the type of unemployment that is caused by a massive change in industry.
For example, in the past newspaper delivery was a booming business since it is one of the main way people can receive their political information. Due to the development of websites and smart phones, this business can no longer thrive since it is far easier for people to consume their news on the site. This create massive unemployment in the newspaper industry.