Complex sentence: Between 1998 and 2003, the Ugandan army was involved in the Second Congo War in the renamed Democratic Republic of the Congo and the government continues to support rebel groups such as the Movement for the Liberation of Congo and some factions of the Rally for Congolese Democracy.
Split into simpler sentences: Between 1998 and 2003, the Ugandan army was involved in the Second Congo War in the Democratic Republic of the Congo. Uganda continues to support rebel groups there such as the Movement for the Liberation of Congo and some factions of the Rally for Congolese Democracy.