Restart the Foggy London

In 2100, Planet K invaded the earth. The United Nations organized global forces to try to win the war, but soon cities fell one after another. When mankind was desperate and prepared to fight to the death, an astonishing discovery was made before people: the sixth woman killed by Jack the Ripper was the key to breaking the situation. There is not much time left for mankind. Fight to the bitter end or change history. This is a multiple-choice question. How will mankind choose? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.