Marxism theory is that the upper tear of society rules the lower tear, and institutions like social welfare is one way that the lower class tries prevent their exploitation. This is Social Control of the social classes. The lower tear engaging in welfare is the exorcize of their power,
Hey there,
Your question states: <span>How did the calculation of pi help mathematicians during the Gupta period?
My best guess that I would give would be the option B. </span><span>
The value of pi helped them explain that Earth is a rotating sphere. Because they used the </span>

to help them, just as we use that in math.
Hope this helps.
~Jurgen
By carving symbols into walls of pyramids and/or caves