The author should back up his\her claim or argument with factual evidence t support their claim .
Answer:
It is Describe the use of text structures to develop the main idea.
Explanation:
I got it right on my quiz
The answer is Some villagers became Christian and others did not, so the villagers were no longer unified by long-established customs. because not everyone wanted to adapt another religion and different cultures and this caused problems between the villagers.