see sample answer below

a) “the sensible” “brilliant” “and influential”
b) “due to his unremitting pain” “his unceasing work for compromise” “the stifling summer heat?”
c) “critical moment in the proceedings” “addressed the need for compromise” “undoubtedly swayed several delegates”

see sample answer below

” i think it will astonish our enemies, who are waiting with confidence to hear, that are councils are confounded like those builders of babel, and that our states are on the point of separation…”