What was the significance of the Lady Astor quote directed at Winston Churchill during a heated exchange in the British Parliament?

Lady Astor's quote directed at Winston Churchill during a heated exchange in the British Parliament was significant because she became the first woman to sit in the House of Commons and her remark challenged Churchill's views on women's rights and equality. The quote, "If I were your wife, I would put poison in your coffee," was a bold statement that highlighted the changing dynamics of gender roles and power in politics at that time.