What major composers wrote in the style of grand opera?

What is the definition of aesthetics? a. the material or materials used by an artist to create artwork b. the branch of philosophy that deals with beauty and how it is expressed and appreciated c. the organization or arrangement of different elements within a work of art o d. the school of thought dedicated to examining the question, "what is art? "

List as many characteristics as you can to describe each style realism and propaganda

Which does the author mean by " nature had to kindle all the fires, for man by his own effort was unable to produce a spark