Another term for introduction is an exposition.
exposition: the part of a play or work of fiction in which the background to the main conflict is introduced.
Put a photo up for more explanation.
Answer:
b
Explanation:
the theatres were used to stage plays
Answer: she feels proud of herself
Explanation:
The theme that is addressed in both "We wear the mask" and "A man said to the universe" is how humans can be helpless in the face of external forces.