Answer:
Place your thesis statement at the beginning.
List the major points that support your thesis. Label them in Roman Numerals
List supporting ideas or arguments for each major point.
If applicable, continue to sub-divide each supporting idea until your outline is fully developed.
"exuberance" means enthusiasm or showing a lot of energy. if someone holds back a cry of pain, that doesn't really make them seem energetic or excited. from that alone, you can infer that "stoicism" is your answer, but that word relates to a pointed lack of emotion, like when someone doesn't want to lose face or show that they're in pain.
The best revision of this sentence is the following:
The lawyer presented a clear argument to the jury (it was unbelievable how influenced they were by his case) in the hopes of winning the trial.
A pair of parentheses needs to be used in order to separate this information from the rest of the sentence and facilitate reading and comprehension. The information in the parentheses is related to the meaning of the sentence but in some way it interrupts the flow, so a pair of parentheses is necessary in order to indicate this.