In Pygmalion, in what ways did nature cause Eliza to suffer?

It is
hard to see Eliza's conflict as one in which nature rather than society or other people is most
responsible. Other people's prejudices against lower-class individuals and society's rigid
control over who can move up within it relegate Eliza to the lower rungs of British society.
From there, she has little hope of moving beyond selling flowers on the street.

Nature might...