Simplify the following text for a Grade 8 native English-speaking person.
Original: On 20 September 1999 the Australian-led peacekeeping troops of the International Force for East Timor ( INTERFET ) deployed to the country and brought the violence to an end .
Simplified: On 20 September 1999 the Australian-led peacekeeping troops of the International Force for East Timor ( INTERFET ) came to the country . This ended the violence .