The correct answer is - Middle adulthood.
Until few decades ago focusing around children, home, and careers was predominantly in the early adulthood stage. But since then things have changed, the modern way of life, as well as the equalization of women with men in every sector, contributed to people to delay these three things for later on in life. So nowadays the period is pushed further upwards on the age scale, and the children, home, and careers are things that come in the main focus in the middle adulthood.
Answer:
Explanation:
Schoenberg's idea in developing the technique was for it to "replace those structural differentiations provided formerly by tonal harmonies".
Geometric constraints include parallelism, perpendicularity, concentricity and symmetry (sorry if it’s wrong)