Complex sentence: The ambiguous political and social position of the Banyamulenge has been a point of contention in the province, leading to the Banyamulenge playing a key role in the run-up to the First Congo War in 1996--7 and Second Congo War of 1998--2003.
Split into simpler sentences: The ambiguous political and social position of the Banyamulenge has been a point of contention in the province. The Banyamulenge played a key role in tensions during the run-up to the First Congo War in 1996--7 and Second Congo War of 1998--2003.