Whos is they referred to in the following quotation? they also established a number system based on six, dividing the hour into 60 minutes and the circle into 360 degrees as we still do today

a. the akkadians
b. the sumerians
c. the babylonians
d. the assyrians

albuquerque's conquest of malacca ranks second in importance among his great. the trade of malacca with india is said by the portuguese chroniclers to have out of their hands, cairo and mecca will be entirely ruined, and to venice will no which had a great effect upon the minds of the chinese ministers