<span>The Supremacy Clause is a clause within Article VI of the U.S. Constitution which dictates that federal law is the "supreme law of the land". This means that judges in every state must follow the Constitution, laws, and treatises of the federal government in matters which are directly or indirectly within the government's control. Under the doctrine of preemption, which is based on the Supremacy Clause, federal law preempts state law, even when the laws conflict. Thus, a federal court may require a state to stop certain behavior it believes interferes with, or is in conflict with, federal law.</span>
Well if were dealing with magnets then they will attract
hope this helps
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