Original sentence: Palme's subsequent 125-month tenure as Prime Minister, and his untimely death, made him the most internationally-known Swedish politician of the 20th century (with the possible exception of the two humanitarians Raoul Wallenberg and Dag Hammarskjöld)
Edited sentence: Palme's subsequent 125-month tenure as Prime Minister, his anti-american pro-communist agenda, and his murder, made him  internationally-known Swedish politician