If we are talking early early then it was because art wasn't a form of "art" it was a form of communication.
But a little later down the road, people did not understand the human body and could not paint one perfectly, and also painters loved to show perfection, as in, gold everywhere, or a kind a top a thousand bodies. Something like that. So yeah...
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B is a good answer to me but I'm afraid I don't have any other options
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The terms crescendo, and diminuendo (or sometimes decrescendo), mean a gradual getting louder or softer. They can also be shown by signs known as "hairpins". A hairpin opening out is a crescendo, one which closes is a diminuendo. For a quick change in dynamics, molto cresc. and molto dim.
Explanation:
Off the internet
hope this helps
put in your own words