How do the events in "I Know Why the Caged Bird Sings" most influence Maya Angelou's later poem, "The Caged Bird"?

Her sessions with Mrs. Flowers gave her an understanding of how to read and write poetry.

Her childhood experiences gave her an understanding of being trapped and being free.

Her embarrassment at Momma's uneducated speech led her to use formal language.

Her disapproval of the poverty in her town led her to make it a major part of her later work.

Her childhood experiences gave her an understanding oh how to read and write poetry.

Explanation:

Angelou was called as Maya because her brother called her Maya when she was a child. When she was eight years old, she was raped. To overcome the trauma, she started writing. She describes that in her autobiography. She became a writer after a series of occupations when she was young. She has cited her experiences in her book which reveals that it is her own childhood experience.