Answer:
1.I
2.b
3.e
4.c
5.a
6.d
Explanation:
feudalism is basically the way of using land for power. the more land you have the more power you have. the king gives the lords land in exchange for protection. the lords give vassals land in exchange for an army, vassals let peasants work on their land for a living and etc... so the more land you have the higher you are in the hierarchy