Simplify the following text for a Grade 13 native English-speaking person.
Original: The WWF gained even more momentum at Unforgiven , as The Rock retained the WCW Championship in a handicap match against Booker T and Shane McMahon , and Kurt Angle made Austin submit to the ankle lock , winning the WWF Championship from Stone Cold , putting both belts into the hands of the WWF .
Simplified: The WWF gained even more momentum at Unforgiven , as The Rock retained the WCW Championship against Booker T , and Kurt Angle made Austin submit to the ankle lock , winning the WWF Championship from Stone Cold , putting both belts into the hands of the WWF .