1. Generalizations about Religions
Christianity is more widespread than any other religion.
Many places have more than one religion.
Religions spread along routes of migration or trade.
Indigenous (native) religions have been replaced in many places by Christianity (and in some places by Islam).
Hinduism is found mostly in India. Judaism is found mostly in Israel. Shinto is found mostly in Japan.
Religious conflicts often involve disputes over beliefs/culture AND land, power, economic inequality, or politics.