What speaks against your theory is that men died on all sides in WWII, but in the West (read: democratic societies), women's rights developed in a distinctively different/slower way.
The Soviet Union had by far the MOST male casualties of any side in the war. 30 MILLION people died, far more than anywhere else.
The Soviet Union had by far the MOST male casualties of any side in the war. 30 MILLION people died, far more than anywhere else.
https://www.rt.com/news/265603-ww2-losses-interactive-video/