If you're asking if it's true than Yes
I think it’s both ice cores and tree rings
The Gupta empire was made up of
Brahims a.k.a the priests
Vaishyas a.k.a merchants and tradesman
Shudras a.k.a Peasants
Kshatriyas a.k.a warrior and rulers
The fourth choice satisfies this list.
Answer: One of Luther’s famous treatises is his 1520 work
Explanation: