Why do we group artworks with similar characteristics into periods or styles?

a.
it us to categorize artworks of higher and lower quality.

b.
it us understand people from different times and places.

c.
it us decide which artworks are worthy of including in text books.

Innovative high renaissance architect

:) this measure should equal four beats. which note needs a dot added to make the measure correct? assume that a quarter note equals 1 beat.

This is just a little thing i just did for fun! hope you enjoy! a: ~what would you first grand if your house was onfire? b: ~what do you first notice on a person? c: ~ what are some challenges you think the next generation will face? d: ~what is the most embarrassing moment in life? e: ~what is your favorite artists? //music//f: ~what are some bad habits you can't stop doing? , but you know you need to stop on them.i really hope you had fun doing this, or not doesn't matter, but if you want more from me contact me! bye now//i can't wait to see some results//ㅋㅋㅋㅋㅋ나를 따라라! ^^(i'm going to put this under arts, even though it's not, so yeah)