 They had felt an existential threat. They weren't welcome in men's tennis by the male promoters who refused to sign women. They were finding less and less places to play. The national federations were dictating where they needed to play. And when they tried to kind of even out some of the prize money inequities, which were three to one, five to one, the last straw was Jack Kramer, who had been an American champion, was going to hold a tournament in LA.