[mutley]

in an arc that extended from Mesopotamia east for thousands of kilometers across to the areas of modern India and Pakistan,

Is this another way of saying, what has been used for a very long time as the "fertile crescent"?

[Lucius Cornelius Sulla]

Is this another way of saying, what has been used for a very long time as the "fertile crescent"?

No, the 'Fertile Crescent' ran west from Mesopotamia through Syria and Israel to Eypt.