Conversation so far:
when was lucy's final appearance?
in May, 1893.
where was the final appearance?
at the World's Congress of Representative Women.
what was the reason for the congress?
focus was on state referenda under consideration in New York and Nebraska.
why was it the final appearance?
Stone was diagnosed as suffering from advanced stomach cancer.
what did she do at the conference?
Stone presented a speech she had prepared entitled "The Progress of Fifty Years.

Question: what did she say in the speech?
Self-contained rewrite: what did Lucy say in the speech?