The Partition of India proposed by Muhammad Ali Jinnah was based on ethnic lines, although it should be noted that the main line was through religion.
1) dig big hole
2) throw person in hole
3) fill hole
The mongols sheep-based economy was unstable because : A. Droughts and long winters sometimes ravaged the herds.
Which mean that the mongols wouldn't have enough supply of foods or trading products during the winter period, which make it really unstable. Hope this helps