The evidence supporting Bly's impact on Bellevue's treatment of patients was the increase in funding by the New York City government.
The evidence from the text that supports Bly's investigation had a positive impact on Bellevue's treatment of patients is that the New York City municipal government appropriated more money to take care of the mentally ill on Blackwell's Island.
This allocation of funds indicates that Bly's expose led to concrete action in improving the conditions for mental patients, showing the influence her investigative reporting had on the treatment of patients at Bellevue.
Moreover, this monetary increase reflects how Bly's courageous undercover work brought about tangible changes and reforms in the mental health system at that time.
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