Original sentence: The TRNC is a self-proclaimed  entity, its relations with the rest of the world further implicated by a series of UN brokered resolutions which call for its dissolution and consider its territory part of Cyprus
Edited sentence: The so-called "TRNC" is a self-proclaimed illegal entity.This is due to Turkey's illegal invasion on the island which occurred in 1974.This was condemned through a series of UN brokered resolutions; which call upon Turkey to immediately withdrawal all of its 35,000 troops and colonists from the occupied territories of Cyprus