Answer:
The single most important factor in advancing American Classical Music in the 20th century was the development of jazz.
Jazz music help to influence the American culture.
20th century classical music was focused on traditional rules and forms.
Sorry if i'm wrong!
The phrase "in other societies" presents contrasting ideas regarding marriage. The first two present ideas. "On the other hand" presents contrasting ideas relating to romantic love. Therefore, the answer is D.
They are seen only for their position, they subordinates do not know them much to call them by their name casually
It was the biggest historical and economic influence on 19 th century];
Based on the information you have given I think the conflict that would be found is Man Vs Enviornment