Answer:
The answer is developmental psychologist.
Explanation:
Developmental psychology refers to a branch of psychology that intends to understand human development, especially during childhood. It is concerned with several psychological changes such as abstract though and emotions. It also recognises the importance of social factors into a person's development.
Explanation:
to make their lives easier and more efficient
A ,that's the song that promoted the movement.
A culture is a way of life of a group of people--the behaviors, beliefs, values, and symbols that they accept, generally without thinking about them, and that are passed along by communication and imitation from one generation to the next. Culture is symbolic communication.