Complex sentence: Later that year, they went to the World Wrestling Federation (WWF) where they were managed by Jimmy Hart and won the World Tag Team Title from The Hart Foundation before feuding with and losing it to the Legion of Doom.
Split into simpler sentences: Later that year, they went to the World Wrestling Federation (WWF) where they were managed by Jimmy Hart. They won the World Tag Team Title from The Hart Foundation before feuding with and losing the title to the Legion of Doom.