>>38401787Part of the civil rights legislation was that equal amounts of money have to be spent on male and female sports by colleges. Soccer is one of the few traditional female sports, so they got massive amounts of funding from every college that wants to have a men's football team, which means big scholarships which means very competitive which means the US woman's soccer teams have amazing people to recruit from. Add on that soccer is one of the few sports that women can play professionally in the US, and them being good means that it's much less humiliating then playing in the meme leagues like the WNBA, and women athletes are motivated to play soccer in the US.