<u><em>A sachem is the chief or leader of a tribe, and having anyone of your community do an act of defection (change loyalty to the opposite side) is the beginning of lots of issues, those including: treason, increasing number of deserters, a weakening tribe, etc. Those are the reasons why a sachem should be concern about defection.</em></u>
Answer: It might force him to brag
Explanation: The reason why Jonas cant congratulate the boy is because it might force the boy to brag.
I think it is assonance because assonance is the repetition of vowel sounds to create internal rhyming within phrases or sentences