I would say farming. They produced a lot of grain and wheat.
In 320 AD, Chandra Gupta I ascended to power, reuniting and strengthening northern India, while the Tamil kingdoms controlled the south. Option D is correct.
Chandragupta I was a king of the Gupta dynasty, who ruled in northern India. He was the first emperor of the dynasty.
The Gupta Empire was an ancient Indian empire lasting from the mid-to-late 3rd century CE to 543 CE.
It’s the last one I hope this helps
It featured a re-match of the 1824 election, as President John Quincy Adams of the National Republican Party faced Andrew Jackson of the nascent Democratic Party. Andrew Jackson won.