A and C could be the answers according to me
50 years is a long time but not long enough for the preconquest Aztec to forget their way of living before the Spanish came. The compromise lies in how easy it is to get historical information from the Aztec since some of them will have already learned Spanish very well and between how accurate these historical accounts are since little details about the preconquest Aztec society can be forgotten in 50 years.
They are in accordance with the Decalogue (Ten Commandments) given by Moses to the Israelites. This is the Law of God to the Jews. The commandments are also summarised in “Love thy neighbour as thyself”.