I think it was by <span>quoting specific biblical passages that denounced slavery, but I'm not too sure.</span>
The participle phrase is "hearing the footsteps of its owner".
The water ran down from her hair and clothes; it ran down into the toes of her shoes and out again at the heels. And yet she said that she was a real princess. ... Now they knew that she was a real princess because she had felt the pea right through the twenty mattresses and the twenty eider-down beds.