The reason as to why the ethnologist focus more on non-literate
people on their study because mainly of the reason that they are going extinct.
The non-literate people are being referred to those societies in which their
people does not have the ability of being able to read and write in which the ethnologist
studies and help out of.
A modern scholarly article, the first three are primary sources (Text or items from the time period being investigated) and the last one is a secondary source which was written by someone investigating that time period, therefor it is not an artifact
True, those amendments were only for colored men.
Answer
The problems the church faced during the invasion of the magyars and vikings include:
1. Simony: This involves selling church properties and sacred items.
2. Lay investiture: This deals with appointment of religious leaders by traditional rulers
3.Clerical marriage: Allowing clergymen to marry and it is different from allowing married men become clergy.
4.Celibacy: Abstaining from intimate activities.
5.Abuse of power in the hands of lay rulers.