Simplify the following text for a Grade 7 native English-speaking person.
Original: This copy came to Salisbury because Elias of Dereham , who was present at Runnymede in 1215 , was given the task of distributing some of the original copies .
Simplified: This copy came to Salisbury because Elias of Dereham was present at the meeting with King John at Runnymede in 1215 . He was given the task of distributing some of the original copies .