5- Statement: many new sources of energy will be discovered, preventing future energy shortages. Proposed Assumption: The number of new energy sources is unlimited. Assumption made Assumption not made 6- Statement: many new sources of energy will be discovered, preventing future energy shortages. - Proposed Assumption: Once new sources of energy have been discovered, demand for energy will not exceed supply. Assumption made Assumption not made 7- Statement: There is greater progress in science, environmental protection, and education when nations cooperate rather than work alone. Proposed Assumption: If nations cooperate in these areas, they will avoid military conflicts. Assumption made Assumption not made