Answer:
Fallow land is the land left bare without growing any crop for a season. Fallowing ensures that the decayed vegetative matter helped to increase the plant nutrients in the soil. Also, it helps to increase the sub-soil moisture and improves the general structure of the soil.
Explanation:
New york, new york // los angeles, california // chicago illinois (just did the US)
The Mongols, a tribe of Nomads from Central or North Asia, who were ruled by Genghis Khan at the time.