Conversation so far:
WHat did this lead him to?
The whereabouts of McDaniel's Oscar are currently unknown.
What did this bring about?
In 1992, Jet magazine reported that Howard University could not find it and alleged that it had disappeared during protests in the 1960s.
What did this mean for her?
In 1998, Howard University stated that it could find no written record of the Oscar having arrived at Howard.
What did this led to being written about?
In 2007, an article in the Huffington Post repeated rumors that the Oscar had been cast into the Potomac River by angry civil rights protesters in the 1960s.
What did this lead him too?
The assertion reappeared in the Huffington Post under the same byline in 2009.

Question: What did this led her to do?
Self-contained rewrite: What did assertions led Hattie McDaniel to do what?