Simplify the following text for a Grade 12 native English-speaking person.
Original: After the Brand Extension in World Wrestling Entertainment , the WWE Undisputed Championship and WWE Women 's Championship became the only titles allowed to be defended on both the Raw and SmackDown !
Simplified: After the Brand Extension in World Wrestling Entertainment , the WWE Undisputed Championship and WWE Women 's Championship became the only titles allowed to be fought for on both the Raw and SmackDown !