Simplify the following text for a Grade 14 native English-speaking person.
Original: Although it was created to determine which auxiliary language of a wide field of contenders was best suited for international communication , it eventually determined that none of them was up to the task and developed its own language , Interlingua .
Simplified: Although it was created to determine which auxiliary language was best suited for international communication , it eventually determined that none of them was up to the task and developed its own language , Interlingua .