Context: The books written later in the Abbasid period in Iran are more anti Umayyad. Iran was Sunni at the time. There was much anti Arab feeling in Iran after the fall of the Persian empire. This anti Arab feeling also influenced the books on Islamic history. Al-Tabri was also written in Iran during that period. Al-Tabri was a huge collection including all the text that he could find, from all the sources. It was a collection preserving everything for future generations to codify and for future generations to judge if it was true or false.

Question: In the later Abbasid era, what branch of Islam did Iran adhere to?
Answer: Sunni

Question: What notable work of Islamic history was written in Iran during the later Abbasid period?
Answer: Al-Tabri

Question: What group was notably disliked in Iran after the Persian Empire fell?
Answer: Arab

Question: What are the books written early in the Abbasid period like?
Answer: Unanswerable

Question: When was there not much anti Arab feeling in Iran?
Answer: Unanswerable

Question: What did this anti Arab feeling fail to influence?
Answer: Unanswerable

Question: What was a small collection of texts?
Answer: Unanswerable

Question: What was a collection meant only for current generations?
Answer: Unanswerable