1. The document discusses definitions and types of religion including animism, polytheism, monotheism, and shamanism. It also covers major world religions and trends like growing monotheism and fundamentalism. 2. Religions are influenced by and reflect aspects of the cultures and societies in which they exist. They help maintain social order and norms. Religions may also change and blend with other beliefs during periods of cultural contact and change. 3. Secular rituals in modern societies can provide similar functions to religious rituals in giving people a sense of community and meaning. Religious demographics are shifting in countries like the US and Canada.