Complex sentence: WCW eclipsed the WWF in popularity throughout the United States for much of the latter-1990s, however, numerous financial and creative missteps led to the company losing its lead over the WWF.
Split into simpler sentences: WCW eclipsed the WWF in popularity throughout the United States for much of the latter-1990s. However, numerous financial and creative missteps led to the company losing its lead over the WWF.