The Roman Catholic Church is the largest Christian denomination with over a billion followers worldwide. People who believe these ideas are called Muslims. Parts of the Koran resemble the Christian Bible. It contains stories about the prophets who appear in the Old Testament and stories from the New Testament about Jesus. Muslims learn that life on earth is a period of testing and preparation for the life to come.
Angels record good and bad deeds.
People should behave themselves and help others, trusting in Allah's justice and mercy for their reward. It was named for the Indus River in India where it began over 4,000 years ago. Hindus believe in many gods, numbering into the thousands. The goal of Hindus is to someday join with Brahman. People were generally grouped by occupations.