War, famine, and diseaseSelf-preservation, old age, and illnessNatural cycles, illness, and immigrationViolence, new diseases, and old ageWhat three factors did Malthus believe would limit human population?Elon.io is an online learning platformWe have an entire course teaching Sociology grammar and vocabulary.Start learning Sociology nowYour questions are stored by us to improve Elon.ioYou've reached your AI usage limitSign up to increase your limit.