“The World Wars were a demographic disaster for Europe.”
That’s for sure. Really it was the end of European Christian civilization. It ushered in the era of Communism and Nazism, followed now by Islamization.
Time will tell how much of Western Civilization can be saved.
America has saved the world 3 times in the past century. (WWI, WW2, Cold War).
The next time we might not be able to help as we have so many problems of our own to deal with.