WORLD HEALTH ORGANIZATIO2025-01-162025-01-161963https://www.suaire.sua.ac.tz/handle/123456789/6501practicalThe first half of the twentieth century has witnessed three major revolutions. The political revolution has given self-government to nearly a third of the world's population and has brought their aspirations for a better life to the forefront of world attention. The revolution in communications has broken down the barriers of distance and language, and the dynamism of ideas can no longer be contained within the limits dictated by social privilege or political considerations. The demographic revolution has imparted to the challenge of poverty and want a new dimension.enPolitical revolutionSelf-governmentDemographic revolutionPolitical considerationsArticle