original_query: What dreadful events have occurred recently that should lead to the emancipation of schoolgirls and debutantes from locked corsets?
query: What dreadful events are referenced in the text as a reason to end the use of locked corsets on schoolgirls and debutantes?
answer: The text doesn't specify what the "dreadful events" are, only that such events have occurred and should motivate ending the use of locked corsets on young women.