The prohibition movement has been called "the first mass women's movement in US history" and prohibition was spurred by women getting the vote in many states before the national amendment took effect in 1920. And women backed prohibition more strongly than men.
The correct answer is iron and wood. This opened up a lot of job opportunities for people who managed to deliver that and it made many people in that industry wealthy. This enabled the rise of big time capitalist company owners that did whatever they wanted.
