Identify the making clause in the sentence below. then decide if the subordinate clause is used as a noun, adjective, or adverb. after we have read the story, we will talk about it

After we have read the story, we will talk about it.
Main clause: We will talk about it.
Subordinate clause: After we have read the story.
Type: Adverb.  

Atahualpaemperor of the inca empire who rose to the throne after winning a civil war between him and his brother.  -he refused to become a spanish vassal or christian.-francisco pizarro kidnapped him and demanded a huge ransom.  -pizarro's secretary described him as "a man of thirty years, good-looking and poised, somewhat stout, with a wide, handsome, and ferocious face, and the eyes flaming with blood."-after the ransom was paid, atahualpa was killed by pizarro

Diagram i think that’s right