Simplify the following text for a Grade 11 native English-speaking person.
Original: The area now covered by the Territory includes three regions which , before 1962 , were administered by the British as separate dependencies of the Falkland Islands : Graham Land , the South Orkney Islands , and the South Shetland Islands .
Simplified: Before 1962 , the area now covered by the Territory comprised three separate dependencies of the Falkland Islands ;