Complex sentence: The terrorists' goal is to start a nuclear war between the U.S. and the Soviet Union; the East Germans hope that the war will eliminate both superpowers and punish them for betraying World Socialism, while the Palestinians hope the attack will end American aid to Israel.
Split into simpler sentences: The terrorists' goal is to start a nuclear war between the U.S. and the Soviet Union. The East Germans hope that the war will eliminate both superpowers and punish them for betraying World Socialism, while the Palestinians hope the attack will end American aid to Israel.