1 independent and 0 subordinate ........ and independent can stand on its own the subordinate is just a cliffhanger an incomplete sentence.
Poe creates contrast in his portrayal of the bird in "The Raven" by placing the black bird on the marble statue. The contrast between the darkness of the bird and the whiteness of the statue is quite striking, exactly the thing he wanted to achieve.
Hope this helped I. could not write on this so here