[kahljorn]

couldn't it have also been caused by some other rather large economic changes like I don't know a depression and a couple of wars?

all he's saying is that women wanting to work removed them from caring for their families. Then, all the extra employees ALONE somehow caused the entire economy to shift to where most families have to have two working parents in order to support that family, whereas before it would only be the father.

I think it'd be hard to show that feminism alone caused all of this and not any of the millions of other socioeconomic factors ;o