This series of complete works is an introduction and a detailed discussion of the influence of Christianity on all levels of the world and the inextricable relationship between the environment and religion, especially the world’s largest Christianity, with 2.2 billion believers worldwide. A person who does not understand religion, especially Christianity, cannot properly understand our world, cannot adapt to many things, and even makes wrong decisions in many aspects.This series of collections are aimed at people from all walks of life, regardless of their beliefs or non-beliefs, to understand and study the role of Christianity and other major religions in international relations within and outside countries and predict their impact and prospects in various social fields. The development of society has important reference value.This series of complete works consists of ten books, and each book has an introduction summary at the beginning, and the order is arranged according to the first word of English:1. Christianity and World Civilization2. Christianity and World Culture3. Christianity and World Economy4. Christianity and World History5. Christianity and World Law6. Christianity and World Outlook7. Christianity and World Peace8. Christianity and World Politics9. Christianity and World Religions10. Christianity and Universal Values