Guido of Arrezo is a Benedectine monk from Italy and an Italian music theorist of the Medieval Era. While at Arrezo he develops new techniques and method in teaching music such as staff notation and the use of six note pattern aid "ut–re–mi–fa–so–la" which also means do–re–mi–fa–so–la).
Hey there
I believe the correct answer is (A)
<span>International wars
</span><span>Antarctica was to be used for only peaceful purposes only. There was no war allowed to take place there. </span>
The silk road, I do believe. lolol
