<span>Because, salt was needed to flavor food, preserve meat, used for medical.</span>
a); and c). During Chandragupta II reign, great impulse was given to arts and science. One of the main scholars of the time was Aryabhata, who came up with the concept of zero and discovered the ratio of pi. He also worked in demonstrating that the earth moves around the sun instead of otherwise.
Slaves in the North did primarily work in stores and small craft centers. This was mostly true for the middle colonies as well. Slaves in the South worked in the fields.
Classical Greek sculpture were characterized by the portrayal of idealized, lifelike bodies. Characters were very symmetrical and almost perfect versions of human beings, that almost seem real.
