Complex sentence: Meanwhile, residents of Garvaghy Road were very unhappy about what they called "triumphalist" Orange parades through their area, and with the aid of various local politicians they continually campaigned to have the route changed.
Split into simpler sentences: Meanwhile, residents of Garvaghy Road were very unhappy about what they called "triumphalist" Orange parades through their area. With the help of local politicians, they continually campaigned to have the route changed.