Complex sentence: In 1988 the Nobel Peace Prize was awarded to the United Nations peacekeeping force stated that the forces "represent the manifest will of the community of nations" and have "made a decisive contribution" to the resolution of conflict around the world.
Split into simpler sentences: In 1988 the Nobel Peace Prize was awarded to the United Nations peacekeeping forces. The press release stated that the forces "represent the manifest will of the community of nations" and have "made a decisive contribution" to the resolution of conflict around the world.