Final answer:
Characters' tragic flaws make tragedies relatable and allow the audience to sympathize with them.
Step-by-step explanation:
In tragedies, the audience can understand and sympathize with the characters primarily because of the characters' tragic flaws. Tragic flaws refer to the character's personal weaknesses or errors that ultimately lead to their downfall. These flaws make the characters more relatable and human, allowing the audience to connect with their struggles and empathize with their tragic outcomes.