Answer:
The same author is the correct answer
"The caged Bird" is a poem whereas "I know why the caged Bird sings" is a book. however, they are written by the same person (Maya Angelou)
I would say that the ideal of imagist poetry which is best reflected in this poem is that poets should be able to describe ordinary objects in new ways.
A. dreams make people happy
Alright, edit the images. I'll try to be helpful