Complex sentence: Food shortages in the ecologically marginal and politically unstable Horn of Africa are historically notable, with the 1984--1985 famine brought to the world's attention by Live Aid.
Split into simpler sentences: Food shortages in the ecologically marginal and politically unstable Horn of Africa are historically notable. Ethiopian famines span the state's history: the country's 1984--1985 famine was brought to the world's attention by Live Aid.