Complex sentence: The AIAW continued to conduct its established championship program in the same twelve (and other) sports; however, after a year of dual women's championships, the NCAA conquered the AIAW and usurped its authority and membership.
Split into simpler sentences: The AIAW continued to conduct its established championship program in the same twelve (and other) sports. However, after a year of dual women's championships, the NCAA conquered the AIAW and usurped its authority and membership.