Original sentence: At various points it had the characteristics of anti-colonial struggle, a secessionist war with the province of Katanga, a United Nations peacekeeping operation, and a Cold War War by proxy between the United States and the Soviet Union.It led to the assassination of Prime Minister Patrice Lumumba, as well as a traumatic setback to the United Nations following the death of UN Secretary General Dag Hammarskjöld in a plane crash as he sought to mediate
Edited sentence: At various points, the United Nations peacekeeping force and the Soviet Union also participated in the conflict.In an attempt to regain their economical and political hegemony in the region, the United States and Belgium sponsored terrorist activities and secret assassinations, which led to the death of anti-colonist leader Patrice Lumumba, further complicating the situation and leading to political disintegration.It began as an anti-colonial struggle and led to a secessionist war with the province of Katanga