Perhaps the most important jazz musician in the culmination of the New Orleans jazz style and the development of the Chicago style, which led to all the later innovations in jazz.

The linear perspective changed the quality of art because it gave art a sense of reality. it gave the illusion that the background and surroundings were actually close and/or far and a sense of depth. linear perspective change the quality of art following its birth the renaissance period as they want the art to be more realistic and they believe one way to achieve it is to use the method of linear perspective. it uses the principle of math to realistically portray space and depth in art. 

Answerthe third and fourth;

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Answerfrom the mid 19th century to the 20th and on : )