Complex sentence: President Sukarno (Umar Kayam) is ill and may die, while his political concept of Nasakom (nationalism, religion, and communism) has promoted an explosive growth in the PKI.
Split into simpler sentences: President Sukarno (Umar Kayam) is ill and may die. Meanwhile, his political concept of Nasakom (nationalism, religion, and communism) has promoted an explosive growth in the PKI.