First off, there were no written doctrines. Also they were very diversified. Lastly, ATR was influenced by Western thought and ideas. There is widespread belief in a supreme God, unique and transcedent. Belief in the afterlife is incorporated in myths and in funeral ceremonies.
Worship requires a fundemental attitude of strict discipline and reverence.
The whole person, body and soul, is totally involved in worship. In worship and sacrifice there is co-responsibility each person contributes his share in a spirit of participation. The sick are healed in rites which involve their families and the community. The sacredness of human life is guarded by taboos and rituals. The whole community is involved in training the young, and education itself has a necessary community and social aspect.