He was key to spreading it across India by issuing the Edicts of Asoka.
Some farmers let certain fields lie fallow so that it can battle against the<u> Soil Erosion</u> which can happen if you plant the same plant over and over again which can deplete nutrients that helps the soil go un-eroded.
<em><u>Hope this helps!</u></em>
Answer:
A). He will be haunted by the ravens shadow forever.
The reasons to oppose slavery were morality, and the hash treatment of slaves