Answer:
Atticus was trying to prove that Mr. Ewell was left-handed because Mayella had been hit on the right side and if Mr. Ewell was left-handed then it would prove he was more than likely the one who inflicted the injuries, not Tom Robinson.
Explanation:
In literature, the figure of the hero, makes reference to the principal character in a literary piece, whereas in general, this term is used to identifty any popular figure of ancient spoken tradition, that is to say, heroic epics.
These mythical heroes are part of royalty at the beginning of the story and also exhibit superiority regarding other men, whether in strength, practical abilities, intelligence and bravery. They came to this world to fulfill their role.
The hero's usual job is related to risky adventures or armed conflicts. He has a group of loyal peers by his side and his followers revere him, whereas his enemies fear him.