Am to dumb to answer anything I just do this so I can ask questions for my homework
The main reason was that India as a civilization was producing vast amounts of goods that the other nations and civilizations were wanting to export from them and import to themselves - this made India relevant and made them a global trade player.
B) superior geographic knowledge of the region
"Local taxes often pay for road repair, firefighters, and police officers. These services create jobs and help society run smoothly."
This makes the most sense.