Question

how was the pillage and gift system useful to nobles

Answer 1

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In a pillage and gift system, a king or other war leader rewards his loyal soldiers by granting them gifts that came from the plunder of defeated enemies. ... The Mayor of the Palace was a noble who would grant out lands and gifts on behalf of the king and who would, in many cases, command the army.

Answer 2

Answer:

They could pay soldiers for their service with land rather than money.