The answer is repair because repairs would be in a sentence like we made 15 repairs in one day.
Suppose
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The phrase whether they would or not means that they were were tasked with the responsibility of carrying out the obligation against their will.
The phrase tells us that the Lords had no say on the tasks that they were asked to do. They were to accompany the rebels, they had no deciding power here.
This shows that their will has been taken from them. The person who is sending them on this errand has absolute power over them.
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Three types of literature characteristics of the twelfth century are histories, ballads, and lyrics.